Home / 1,578,815.64-2,179,761.84-1,095,211.62

Finding the Fourth Proportional to 1,578,815.64, 2,179,761.84 and 1,095,211.62

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Solution

The fourth proportional to 1,578,815.64, 2,179,761.84 and 1,095,211.62 is: 1,512,083.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,815.64 : 2,179,761.84 = 1,095,211.62 : x
  2. Step 2: Convert to fraction form
    1,578,815.64/2,179,761.84 = 1,095,211.62/x
  3. Step 3: Cross multiply
    1,578,815.64x = 2,179,761.84 × 1,095,211.62
  4. Step 4: Simplify right side
    1,578,815.64x = 2,387,300,496,000.58
  5. Step 5: Solve for x
    x = 2,387,300,496,000.58/1,578,815.64
  6. Step 6: Final answer
    x = 1,512,083.13

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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.