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Finding the Fourth Proportional to 3,197,332.64, 4,799,413.11 and 1,376,599.25

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Solution

The fourth proportional to 3,197,332.64, 4,799,413.11 and 1,376,599.25 is: 2,066,368.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197,332.64 : 4,799,413.11 = 1,376,599.25 : x
  2. Step 2: Convert to fraction form
    3,197,332.64/4,799,413.11 = 1,376,599.25/x
  3. Step 3: Cross multiply
    3,197,332.64x = 4,799,413.11 × 1,376,599.25
  4. Step 4: Simplify right side
    3,197,332.64x = 6,606,868,487,666.17
  5. Step 5: Solve for x
    x = 6,606,868,487,666.17/3,197,332.64
  6. Step 6: Final answer
    x = 2,066,368.82

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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.