Home / 3,877,491.40-5,816,237.10-2,176,880.20

Finding the Fourth Proportional to 3,877,491.40, 5,816,237.10 and 2,176,880.20

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Solution

The fourth proportional to 3,877,491.40, 5,816,237.10 and 2,176,880.20 is: 3,265,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877,491.40 : 5,816,237.10 = 2,176,880.20 : x
  2. Step 2: Convert to fraction form
    3,877,491.40/5,816,237.10 = 2,176,880.20/x
  3. Step 3: Cross multiply
    3,877,491.40x = 5,816,237.10 × 2,176,880.20
  4. Step 4: Simplify right side
    3,877,491.40x = 12,661,251,381,495.42
  5. Step 5: Solve for x
    x = 12,661,251,381,495.42/3,877,491.40
  6. Step 6: Final answer
    x = 3,265,320.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.