Home / 1,897,082.25-2,845,413.78-477,138.89

Finding the Fourth Proportional to 1,897,082.25, 2,845,413.78 and 477,138.89

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Solution

The fourth proportional to 1,897,082.25, 2,845,413.78 and 477,138.89 is: 715,655.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,082.25 : 2,845,413.78 = 477,138.89 : x
  2. Step 2: Convert to fraction form
    1,897,082.25/2,845,413.78 = 477,138.89/x
  3. Step 3: Cross multiply
    1,897,082.25x = 2,845,413.78 × 477,138.89
  4. Step 4: Simplify right side
    1,897,082.25x = 1,357,657,558,352.84
  5. Step 5: Solve for x
    x = 1,357,657,558,352.84/1,897,082.25
  6. Step 6: Final answer
    x = 715,655.61

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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.