Home / 1,838,280.10-2,759,666.55-1,040,116.90

Finding the Fourth Proportional to 1,838,280.10, 2,759,666.55 and 1,040,116.90

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Solution

The fourth proportional to 1,838,280.10, 2,759,666.55 and 1,040,116.90 is: 1,561,446.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,280.10 : 2,759,666.55 = 1,040,116.90 : x
  2. Step 2: Convert to fraction form
    1,838,280.10/2,759,666.55 = 1,040,116.90/x
  3. Step 3: Cross multiply
    1,838,280.10x = 2,759,666.55 × 1,040,116.90
  4. Step 4: Simplify right side
    1,838,280.10x = 2,870,375,817,019.70
  5. Step 5: Solve for x
    x = 2,870,375,817,019.70/1,838,280.10
  6. Step 6: Final answer
    x = 1,561,446.39

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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.