Home / 5,429,394.36-8,141,300.82-2,871,984.60

Finding the Fourth Proportional to 5,429,394.36, 8,141,300.82 and 2,871,984.60

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Solution

The fourth proportional to 5,429,394.36, 8,141,300.82 and 2,871,984.60 is: 4,306,500.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,394.36 : 8,141,300.82 = 2,871,984.60 : x
  2. Step 2: Convert to fraction form
    5,429,394.36/8,141,300.82 = 2,871,984.60/x
  3. Step 3: Cross multiply
    5,429,394.36x = 8,141,300.82 × 2,871,984.60
  4. Step 4: Simplify right side
    5,429,394.36x = 23,381,690,579,007.38
  5. Step 5: Solve for x
    x = 23,381,690,579,007.38/5,429,394.36
  6. Step 6: Final answer
    x = 4,306,500.69

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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.