Home / 4,320,114.11-6,480,169.07-1,287,402.56

Finding the Fourth Proportional to 4,320,114.11, 6,480,169.07 and 1,287,402.56

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Solution

The fourth proportional to 4,320,114.11, 6,480,169.07 and 1,287,402.56 is: 1,931,103.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320,114.11 : 6,480,169.07 = 1,287,402.56 : x
  2. Step 2: Convert to fraction form
    4,320,114.11/6,480,169.07 = 1,287,402.56/x
  3. Step 3: Cross multiply
    4,320,114.11x = 6,480,169.07 × 1,287,402.56
  4. Step 4: Simplify right side
    4,320,114.11x = 8,342,586,249,950.82
  5. Step 5: Solve for x
    x = 8,342,586,249,950.82/4,320,114.11
  6. Step 6: Final answer
    x = 1,931,103.22

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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.