Home / 5,432,564.40-8,148,846.60-1,646,047.28

Finding the Fourth Proportional to 5,432,564.40, 8,148,846.60 and 1,646,047.28

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Solution

The fourth proportional to 5,432,564.40, 8,148,846.60 and 1,646,047.28 is: 2,469,070.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,564.40 : 8,148,846.60 = 1,646,047.28 : x
  2. Step 2: Convert to fraction form
    5,432,564.40/8,148,846.60 = 1,646,047.28/x
  3. Step 3: Cross multiply
    5,432,564.40x = 8,148,846.60 × 1,646,047.28
  4. Step 4: Simplify right side
    5,432,564.40x = 13,413,386,740,323.01
  5. Step 5: Solve for x
    x = 13,413,386,740,323.01/5,432,564.40
  6. Step 6: Final answer
    x = 2,469,070.91

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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.