Home / 2,486,084.58-3,430,762.24-1,398,356.88

Finding the Fourth Proportional to 2,486,084.58, 3,430,762.24 and 1,398,356.88

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Solution

The fourth proportional to 2,486,084.58, 3,430,762.24 and 1,398,356.88 is: 1,929,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,084.58 : 3,430,762.24 = 1,398,356.88 : x
  2. Step 2: Convert to fraction form
    2,486,084.58/3,430,762.24 = 1,398,356.88/x
  3. Step 3: Cross multiply
    2,486,084.58x = 3,430,762.24 × 1,398,356.88
  4. Step 4: Simplify right side
    2,486,084.58x = 4,797,429,981,948.21
  5. Step 5: Solve for x
    x = 4,797,429,981,948.21/2,486,084.58
  6. Step 6: Final answer
    x = 1,929,713.10

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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.