Home / 3,985,607.92-5,500,271.64-2,174,871.28

Finding the Fourth Proportional to 3,985,607.92, 5,500,271.64 and 2,174,871.28

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Solution

The fourth proportional to 3,985,607.92, 5,500,271.64 and 2,174,871.28 is: 3,001,394.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,607.92 : 5,500,271.64 = 2,174,871.28 : x
  2. Step 2: Convert to fraction form
    3,985,607.92/5,500,271.64 = 2,174,871.28/x
  3. Step 3: Cross multiply
    3,985,607.92x = 5,500,271.64 × 2,174,871.28
  4. Step 4: Simplify right side
    3,985,607.92x = 11,962,382,822,034.50
  5. Step 5: Solve for x
    x = 11,962,382,822,034.50/3,985,607.92
  6. Step 6: Final answer
    x = 3,001,394.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.