Home / 2,878,740.32-4,319,604.92-1,174,134.20

Finding the Fourth Proportional to 2,878,740.32, 4,319,604.92 and 1,174,134.20

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Solution

The fourth proportional to 2,878,740.32, 4,319,604.92 and 1,174,134.20 is: 1,761,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,740.32 : 4,319,604.92 = 1,174,134.20 : x
  2. Step 2: Convert to fraction form
    2,878,740.32/4,319,604.92 = 1,174,134.20/x
  3. Step 3: Cross multiply
    2,878,740.32x = 4,319,604.92 × 1,174,134.20
  4. Step 4: Simplify right side
    2,878,740.32x = 5,071,795,839,591.57
  5. Step 5: Solve for x
    x = 5,071,795,839,591.57/2,878,740.32
  6. Step 6: Final answer
    x = 1,761,810.82

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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.