Home / 1,637,711.40-2,456,567.10-1,371,990.90

Finding the Fourth Proportional to 1,637,711.40, 2,456,567.10 and 1,371,990.90

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Solution

The fourth proportional to 1,637,711.40, 2,456,567.10 and 1,371,990.90 is: 2,057,986.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,711.40 : 2,456,567.10 = 1,371,990.90 : x
  2. Step 2: Convert to fraction form
    1,637,711.40/2,456,567.10 = 1,371,990.90/x
  3. Step 3: Cross multiply
    1,637,711.40x = 2,456,567.10 × 1,371,990.90
  4. Step 4: Simplify right side
    1,637,711.40x = 3,370,387,706,439.39
  5. Step 5: Solve for x
    x = 3,370,387,706,439.39/1,637,711.40
  6. Step 6: Final answer
    x = 2,057,986.35

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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.