Home / 3,168,435.37-4,373,000.63-1,861,687.15

Finding the Fourth Proportional to 3,168,435.37, 4,373,000.63 and 1,861,687.15

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Solution

The fourth proportional to 3,168,435.37, 4,373,000.63 and 1,861,687.15 is: 2,569,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168,435.37 : 4,373,000.63 = 1,861,687.15 : x
  2. Step 2: Convert to fraction form
    3,168,435.37/4,373,000.63 = 1,861,687.15/x
  3. Step 3: Cross multiply
    3,168,435.37x = 4,373,000.63 × 1,861,687.15
  4. Step 4: Simplify right side
    3,168,435.37x = 8,141,159,079,812.90
  5. Step 5: Solve for x
    x = 8,141,159,079,812.90/3,168,435.37
  6. Step 6: Final answer
    x = 2,569,457.20

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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.