Home / 3,920,126.44-5,871,616.60-2,779,431

Finding the Fourth Proportional to 3,920,126.44, 5,871,616.60 and 2,779,431

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Solution

The fourth proportional to 3,920,126.44, 5,871,616.60 and 2,779,431 is: 4,163,068.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920,126.44 : 5,871,616.60 = 2,779,431 : x
  2. Step 2: Convert to fraction form
    3,920,126.44/5,871,616.60 = 2,779,431/x
  3. Step 3: Cross multiply
    3,920,126.44x = 5,871,616.60 × 2,779,431
  4. Step 4: Simplify right side
    3,920,126.44x = 16,319,753,198,154.60
  5. Step 5: Solve for x
    x = 16,319,753,198,154.60/3,920,126.44
  6. Step 6: Final answer
    x = 4,163,068.07

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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.