Home / 5,217,401.30-7,826,638.77-1,805,681.90

Finding the Fourth Proportional to 5,217,401.30, 7,826,638.77 and 1,805,681.90

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Solution

The fourth proportional to 5,217,401.30, 7,826,638.77 and 1,805,681.90 is: 2,708,708.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217,401.30 : 7,826,638.77 = 1,805,681.90 : x
  2. Step 2: Convert to fraction form
    5,217,401.30/7,826,638.77 = 1,805,681.90/x
  3. Step 3: Cross multiply
    5,217,401.30x = 7,826,638.77 × 1,805,681.90
  4. Step 4: Simplify right side
    5,217,401.30x = 14,132,419,984,393.86
  5. Step 5: Solve for x
    x = 14,132,419,984,393.86/5,217,401.30
  6. Step 6: Final answer
    x = 2,708,708.64

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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.