Home / 3,730,857.60-5,148,583.20-2,121,225.60

Finding the Fourth Proportional to 3,730,857.60, 5,148,583.20 and 2,121,225.60

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Solution

The fourth proportional to 3,730,857.60, 5,148,583.20 and 2,121,225.60 is: 2,927,291.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730,857.60 : 5,148,583.20 = 2,121,225.60 : x
  2. Step 2: Convert to fraction form
    3,730,857.60/5,148,583.20 = 2,121,225.60/x
  3. Step 3: Cross multiply
    3,730,857.60x = 5,148,583.20 × 2,121,225.60
  4. Step 4: Simplify right side
    3,730,857.60x = 10,921,306,487,569.92
  5. Step 5: Solve for x
    x = 10,921,306,487,569.92/3,730,857.60
  6. Step 6: Final answer
    x = 2,927,291.16

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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.