Home / 2,261,373.12-3,392,262.95-642,157.86

Finding the Fourth Proportional to 2,261,373.12, 3,392,262.95 and 642,157.86

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Solution

The fourth proportional to 2,261,373.12, 3,392,262.95 and 642,157.86 is: 963,294.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,373.12 : 3,392,262.95 = 642,157.86 : x
  2. Step 2: Convert to fraction form
    2,261,373.12/3,392,262.95 = 642,157.86/x
  3. Step 3: Cross multiply
    2,261,373.12x = 3,392,262.95 × 642,157.86
  4. Step 4: Simplify right side
    2,261,373.12x = 2,178,368,313,318.50
  5. Step 5: Solve for x
    x = 2,178,368,313,318.50/2,261,373.12
  6. Step 6: Final answer
    x = 963,294.51

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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.