Home / 1,418,981.10-2,127,815.55-619,851.30

Finding the Fourth Proportional to 1,418,981.10, 2,127,815.55 and 619,851.30

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Solution

The fourth proportional to 1,418,981.10, 2,127,815.55 and 619,851.30 is: 929,490.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,981.10 : 2,127,815.55 = 619,851.30 : x
  2. Step 2: Convert to fraction form
    1,418,981.10/2,127,815.55 = 619,851.30/x
  3. Step 3: Cross multiply
    1,418,981.10x = 2,127,815.55 × 619,851.30
  4. Step 4: Simplify right side
    1,418,981.10x = 1,318,929,234,827.72
  5. Step 5: Solve for x
    x = 1,318,929,234,827.72/1,418,981.10
  6. Step 6: Final answer
    x = 929,490.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.