Home / 2,709,785.43-4,064,679.90-688,180.95

Finding the Fourth Proportional to 2,709,785.43, 4,064,679.90 and 688,180.95

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Solution

The fourth proportional to 2,709,785.43, 4,064,679.90 and 688,180.95 is: 1,032,271.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709,785.43 : 4,064,679.90 = 688,180.95 : x
  2. Step 2: Convert to fraction form
    2,709,785.43/4,064,679.90 = 688,180.95/x
  3. Step 3: Cross multiply
    2,709,785.43x = 4,064,679.90 × 688,180.95
  4. Step 4: Simplify right side
    2,709,785.43x = 2,797,235,275,027.90
  5. Step 5: Solve for x
    x = 2,797,235,275,027.90/2,709,785.43
  6. Step 6: Final answer
    x = 1,032,271.87

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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.