Home / 3,420,484.22-4,720,195.46-1,871,739.72

Finding the Fourth Proportional to 3,420,484.22, 4,720,195.46 and 1,871,739.72

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Solution

The fourth proportional to 3,420,484.22, 4,720,195.46 and 1,871,739.72 is: 2,582,961.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,484.22 : 4,720,195.46 = 1,871,739.72 : x
  2. Step 2: Convert to fraction form
    3,420,484.22/4,720,195.46 = 1,871,739.72/x
  3. Step 3: Cross multiply
    3,420,484.22x = 4,720,195.46 × 1,871,739.72
  4. Step 4: Simplify right side
    3,420,484.22x = 8,834,977,328,645.67
  5. Step 5: Solve for x
    x = 8,834,977,328,645.67/3,420,484.22
  6. Step 6: Final answer
    x = 2,582,961.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.