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Finding the Fourth Proportional to 2,897,766.40, 4,342,502.40 and 2,133,644.80

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Solution

The fourth proportional to 2,897,766.40, 4,342,502.40 and 2,133,644.80 is: 3,197,413.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897,766.40 : 4,342,502.40 = 2,133,644.80 : x
  2. Step 2: Convert to fraction form
    2,897,766.40/4,342,502.40 = 2,133,644.80/x
  3. Step 3: Cross multiply
    2,897,766.40x = 4,342,502.40 × 2,133,644.80
  4. Step 4: Simplify right side
    2,897,766.40x = 9,265,357,664,747.52
  5. Step 5: Solve for x
    x = 9,265,357,664,747.52/2,897,766.40
  6. Step 6: Final answer
    x = 3,197,413.59

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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.