Home / 3,101,352.61-4,652,320.65-912,923.70

Finding the Fourth Proportional to 3,101,352.61, 4,652,320.65 and 912,923.70

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Solution

The fourth proportional to 3,101,352.61, 4,652,320.65 and 912,923.70 is: 1,369,471.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101,352.61 : 4,652,320.65 = 912,923.70 : x
  2. Step 2: Convert to fraction form
    3,101,352.61/4,652,320.65 = 912,923.70/x
  3. Step 3: Cross multiply
    3,101,352.61x = 4,652,320.65 × 912,923.70
  4. Step 4: Simplify right side
    3,101,352.61x = 4,247,213,760,749.26
  5. Step 5: Solve for x
    x = 4,247,213,760,749.26/3,101,352.61
  6. Step 6: Final answer
    x = 1,369,471.42

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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.