Home / 1,903,211.71-2,626,189.19-1,087,468.20

Finding the Fourth Proportional to 1,903,211.71, 2,626,189.19 and 1,087,468.20

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Solution

The fourth proportional to 1,903,211.71, 2,626,189.19 and 1,087,468.20 is: 1,500,567.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903,211.71 : 2,626,189.19 = 1,087,468.20 : x
  2. Step 2: Convert to fraction form
    1,903,211.71/2,626,189.19 = 1,087,468.20/x
  3. Step 3: Cross multiply
    1,903,211.71x = 2,626,189.19 × 1,087,468.20
  4. Step 4: Simplify right side
    1,903,211.71x = 2,855,897,229,949.42
  5. Step 5: Solve for x
    x = 2,855,897,229,949.42/1,903,211.71
  6. Step 6: Final answer
    x = 1,500,567.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.