Home / 5,632,030.70-8,448,046.05-1,643,345.90

Finding the Fourth Proportional to 5,632,030.70, 8,448,046.05 and 1,643,345.90

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Solution

The fourth proportional to 5,632,030.70, 8,448,046.05 and 1,643,345.90 is: 2,465,018.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,632,030.70 : 8,448,046.05 = 1,643,345.90 : x
  2. Step 2: Convert to fraction form
    5,632,030.70/8,448,046.05 = 1,643,345.90/x
  3. Step 3: Cross multiply
    5,632,030.70x = 8,448,046.05 × 1,643,345.90
  4. Step 4: Simplify right side
    5,632,030.70x = 13,883,061,839,278.70
  5. Step 5: Solve for x
    x = 13,883,061,839,278.70/5,632,030.70
  6. Step 6: Final answer
    x = 2,465,018.85

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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.