Home / 4,320,112.10-6,480,166.07-1,287,400.56

Finding the Fourth Proportional to 4,320,112.10, 6,480,166.07 and 1,287,400.56

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Solution

The fourth proportional to 4,320,112.10, 6,480,166.07 and 1,287,400.56 is: 1,931,100.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320,112.10 : 6,480,166.07 = 1,287,400.56 : x
  2. Step 2: Convert to fraction form
    4,320,112.10/6,480,166.07 = 1,287,400.56/x
  3. Step 3: Cross multiply
    4,320,112.10x = 6,480,166.07 × 1,287,400.56
  4. Step 4: Simplify right side
    4,320,112.10x = 8,342,569,420,974.00
  5. Step 5: Solve for x
    x = 8,342,569,420,974.00/4,320,112.10
  6. Step 6: Final answer
    x = 1,931,100.22

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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.