Home / 3,964,230.47-5,470,788.17-2,221,931.78

Finding the Fourth Proportional to 3,964,230.47, 5,470,788.17 and 2,221,931.78

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Solution

The fourth proportional to 3,964,230.47, 5,470,788.17 and 2,221,931.78 is: 3,066,350.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964,230.47 : 5,470,788.17 = 2,221,931.78 : x
  2. Step 2: Convert to fraction form
    3,964,230.47/5,470,788.17 = 2,221,931.78/x
  3. Step 3: Cross multiply
    3,964,230.47x = 5,470,788.17 × 2,221,931.78
  4. Step 4: Simplify right side
    3,964,230.47x = 12,155,718,104,424.80
  5. Step 5: Solve for x
    x = 12,155,718,104,424.80/3,964,230.47
  6. Step 6: Final answer
    x = 3,066,350.00

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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.