Home / 5,103,785.50-7,043,220.17-2,811,946.19

Finding the Fourth Proportional to 5,103,785.50, 7,043,220.17 and 2,811,946.19

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Solution

The fourth proportional to 5,103,785.50, 7,043,220.17 and 2,811,946.19 is: 3,880,483.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103,785.50 : 7,043,220.17 = 2,811,946.19 : x
  2. Step 2: Convert to fraction form
    5,103,785.50/7,043,220.17 = 2,811,946.19/x
  3. Step 3: Cross multiply
    5,103,785.50x = 7,043,220.17 × 2,811,946.19
  4. Step 4: Simplify right side
    5,103,785.50x = 19,805,156,095,494.38
  5. Step 5: Solve for x
    x = 19,805,156,095,494.38/5,103,785.50
  6. Step 6: Final answer
    x = 3,880,483.63

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.