Home / 2,117,413.08-3,174,333.24-918,432.72

Finding the Fourth Proportional to 2,117,413.08, 3,174,333.24 and 918,432.72

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Solution

The fourth proportional to 2,117,413.08, 3,174,333.24 and 918,432.72 is: 1,376,874.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,413.08 : 3,174,333.24 = 918,432.72 : x
  2. Step 2: Convert to fraction form
    2,117,413.08/3,174,333.24 = 918,432.72/x
  3. Step 3: Cross multiply
    2,117,413.08x = 3,174,333.24 × 918,432.72
  4. Step 4: Simplify right side
    2,117,413.08x = 2,915,411,511,799.61
  5. Step 5: Solve for x
    x = 2,915,411,511,799.61/2,117,413.08
  6. Step 6: Final answer
    x = 1,376,874.23

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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.