Home / 4,890,693.20-7,341,569.40-2,897,272.40

Finding the Fourth Proportional to 4,890,693.20, 7,341,569.40 and 2,897,272.40

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Solution

The fourth proportional to 4,890,693.20, 7,341,569.40 and 2,897,272.40 is: 4,349,184.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890,693.20 : 7,341,569.40 = 2,897,272.40 : x
  2. Step 2: Convert to fraction form
    4,890,693.20/7,341,569.40 = 2,897,272.40/x
  3. Step 3: Cross multiply
    4,890,693.20x = 7,341,569.40 × 2,897,272.40
  4. Step 4: Simplify right side
    4,890,693.20x = 21,270,526,395,304.56
  5. Step 5: Solve for x
    x = 21,270,526,395,304.56/4,890,693.20
  6. Step 6: Final answer
    x = 4,349,184.36

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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.