Home / 3,231,288.65-4,459,156.01-1,780,984.87

Finding the Fourth Proportional to 3,231,288.65, 4,459,156.01 and 1,780,984.87

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Solution

The fourth proportional to 3,231,288.65, 4,459,156.01 and 1,780,984.87 is: 2,457,746.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231,288.65 : 4,459,156.01 = 1,780,984.87 : x
  2. Step 2: Convert to fraction form
    3,231,288.65/4,459,156.01 = 1,780,984.87/x
  3. Step 3: Cross multiply
    3,231,288.65x = 4,459,156.01 × 1,780,984.87
  4. Step 4: Simplify right side
    3,231,288.65x = 7,941,689,373,405.45
  5. Step 5: Solve for x
    x = 7,941,689,373,405.45/3,231,288.65
  6. Step 6: Final answer
    x = 2,457,746.81

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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.