Home / 3,178,257.40-4,767,386.10-2,221,663.60

Finding the Fourth Proportional to 3,178,257.40, 4,767,386.10 and 2,221,663.60

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Solution

The fourth proportional to 3,178,257.40, 4,767,386.10 and 2,221,663.60 is: 3,332,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,257.40 : 4,767,386.10 = 2,221,663.60 : x
  2. Step 2: Convert to fraction form
    3,178,257.40/4,767,386.10 = 2,221,663.60/x
  3. Step 3: Cross multiply
    3,178,257.40x = 4,767,386.10 × 2,221,663.60
  4. Step 4: Simplify right side
    3,178,257.40x = 10,591,528,165,515.96
  5. Step 5: Solve for x
    x = 10,591,528,165,515.96/3,178,257.40
  6. Step 6: Final answer
    x = 3,332,495.40

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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.