Home / 2,319,241.40-3,478,862.10-1,121,737.40

Finding the Fourth Proportional to 2,319,241.40, 3,478,862.10 and 1,121,737.40

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Solution

The fourth proportional to 2,319,241.40, 3,478,862.10 and 1,121,737.40 is: 1,682,606.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,241.40 : 3,478,862.10 = 1,121,737.40 : x
  2. Step 2: Convert to fraction form
    2,319,241.40/3,478,862.10 = 1,121,737.40/x
  3. Step 3: Cross multiply
    2,319,241.40x = 3,478,862.10 × 1,121,737.40
  4. Step 4: Simplify right side
    2,319,241.40x = 3,902,369,727,012.54
  5. Step 5: Solve for x
    x = 3,902,369,727,012.54/2,319,241.40
  6. Step 6: Final answer
    x = 1,682,606.10

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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.