Home / 2,866,408.40-4,299,612.60-871,605.20

Finding the Fourth Proportional to 2,866,408.40, 4,299,612.60 and 871,605.20

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Solution

The fourth proportional to 2,866,408.40, 4,299,612.60 and 871,605.20 is: 1,307,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866,408.40 : 4,299,612.60 = 871,605.20 : x
  2. Step 2: Convert to fraction form
    2,866,408.40/4,299,612.60 = 871,605.20/x
  3. Step 3: Cross multiply
    2,866,408.40x = 4,299,612.60 × 871,605.20
  4. Step 4: Simplify right side
    2,866,408.40x = 3,747,564,700,145.52
  5. Step 5: Solve for x
    x = 3,747,564,700,145.52/2,866,408.40
  6. Step 6: Final answer
    x = 1,307,407.80

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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.