Home / 3,087,457.20-4,260,644.28-1,729,378.80

Finding the Fourth Proportional to 3,087,457.20, 4,260,644.28 and 1,729,378.80

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Solution

The fourth proportional to 3,087,457.20, 4,260,644.28 and 1,729,378.80 is: 2,386,516.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087,457.20 : 4,260,644.28 = 1,729,378.80 : x
  2. Step 2: Convert to fraction form
    3,087,457.20/4,260,644.28 = 1,729,378.80/x
  3. Step 3: Cross multiply
    3,087,457.20x = 4,260,644.28 × 1,729,378.80
  4. Step 4: Simplify right side
    3,087,457.20x = 7,368,267,892,173.27
  5. Step 5: Solve for x
    x = 7,368,267,892,173.27/3,087,457.20
  6. Step 6: Final answer
    x = 2,386,516.61

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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.