Home / 5,432,815.65-8,149,223.48-1,645,806.45

Finding the Fourth Proportional to 5,432,815.65, 8,149,223.48 and 1,645,806.45

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Solution

The fourth proportional to 5,432,815.65, 8,149,223.48 and 1,645,806.45 is: 2,468,709.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,815.65 : 8,149,223.48 = 1,645,806.45 : x
  2. Step 2: Convert to fraction form
    5,432,815.65/8,149,223.48 = 1,645,806.45/x
  3. Step 3: Cross multiply
    5,432,815.65x = 8,149,223.48 × 1,645,806.45
  4. Step 4: Simplify right side
    5,432,815.65x = 13,412,044,557,646.41
  5. Step 5: Solve for x
    x = 13,412,044,557,646.41/5,432,815.65
  6. Step 6: Final answer
    x = 2,468,709.68

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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.