Home / 5,432,816.65-8,149,224.98-1,645,807.45

Finding the Fourth Proportional to 5,432,816.65, 8,149,224.98 and 1,645,807.45

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Solution

The fourth proportional to 5,432,816.65, 8,149,224.98 and 1,645,807.45 is: 2,468,711.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,816.65 : 8,149,224.98 = 1,645,807.45 : x
  2. Step 2: Convert to fraction form
    5,432,816.65/8,149,224.98 = 1,645,807.45/x
  3. Step 3: Cross multiply
    5,432,816.65x = 8,149,224.98 × 1,645,807.45
  4. Step 4: Simplify right side
    5,432,816.65x = 13,412,055,183,810.10
  5. Step 5: Solve for x
    x = 13,412,055,183,810.10/5,432,816.65
  6. Step 6: Final answer
    x = 2,468,711.18

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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.