Home / 1,818,428.90-2,509,451.58-1,002,634.16

Finding the Fourth Proportional to 1,818,428.90, 2,509,451.58 and 1,002,634.16

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Solution

The fourth proportional to 1,818,428.90, 2,509,451.58 and 1,002,634.16 is: 1,383,646.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,428.90 : 2,509,451.58 = 1,002,634.16 : x
  2. Step 2: Convert to fraction form
    1,818,428.90/2,509,451.58 = 1,002,634.16/x
  3. Step 3: Cross multiply
    1,818,428.90x = 2,509,451.58 × 1,002,634.16
  4. Step 4: Simplify right side
    1,818,428.90x = 2,516,061,876,973.97
  5. Step 5: Solve for x
    x = 2,516,061,876,973.97/1,818,428.90
  6. Step 6: Final answer
    x = 1,383,646.00

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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.