Home / 1,717,767.80-2,571,402.90-1,339,854.20

Finding the Fourth Proportional to 1,717,767.80, 2,571,402.90 and 1,339,854.20

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Solution

The fourth proportional to 1,717,767.80, 2,571,402.90 and 1,339,854.20 is: 2,005,687.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717,767.80 : 2,571,402.90 = 1,339,854.20 : x
  2. Step 2: Convert to fraction form
    1,717,767.80/2,571,402.90 = 1,339,854.20/x
  3. Step 3: Cross multiply
    1,717,767.80x = 2,571,402.90 × 1,339,854.20
  4. Step 4: Simplify right side
    1,717,767.80x = 3,445,304,975,457.18
  5. Step 5: Solve for x
    x = 3,445,304,975,457.18/1,717,767.80
  6. Step 6: Final answer
    x = 2,005,687.25

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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.