Home / 2,890,121.40-4,333,869.90-1,092,407.40

Finding the Fourth Proportional to 2,890,121.40, 4,333,869.90 and 1,092,407.40

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Solution

The fourth proportional to 2,890,121.40, 4,333,869.90 and 1,092,407.40 is: 1,638,115.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,121.40 : 4,333,869.90 = 1,092,407.40 : x
  2. Step 2: Convert to fraction form
    2,890,121.40/4,333,869.90 = 1,092,407.40/x
  3. Step 3: Cross multiply
    2,890,121.40x = 4,333,869.90 × 1,092,407.40
  4. Step 4: Simplify right side
    2,890,121.40x = 4,734,351,549,397.26
  5. Step 5: Solve for x
    x = 4,734,351,549,397.26/2,890,121.40
  6. Step 6: Final answer
    x = 1,638,115.11

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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.