Home / 5,408,430.40-8,113,728.17-1,996,737.74

Finding the Fourth Proportional to 5,408,430.40, 8,113,728.17 and 1,996,737.74

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Solution

The fourth proportional to 5,408,430.40, 8,113,728.17 and 1,996,737.74 is: 2,995,506.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408,430.40 : 8,113,728.17 = 1,996,737.74 : x
  2. Step 2: Convert to fraction form
    5,408,430.40/8,113,728.17 = 1,996,737.74/x
  3. Step 3: Cross multiply
    5,408,430.40x = 8,113,728.17 × 1,996,737.74
  4. Step 4: Simplify right side
    5,408,430.40x = 16,200,987,198,587.81
  5. Step 5: Solve for x
    x = 16,200,987,198,587.81/5,408,430.40
  6. Step 6: Final answer
    x = 2,995,506.28

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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.