Home / 2,898,080.10-3,999,171.48-1,591,326.98

Finding the Fourth Proportional to 2,898,080.10, 3,999,171.48 and 1,591,326.98

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Solution

The fourth proportional to 2,898,080.10, 3,999,171.48 and 1,591,326.98 is: 2,195,932.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898,080.10 : 3,999,171.48 = 1,591,326.98 : x
  2. Step 2: Convert to fraction form
    2,898,080.10/3,999,171.48 = 1,591,326.98/x
  3. Step 3: Cross multiply
    2,898,080.10x = 3,999,171.48 × 1,591,326.98
  4. Step 4: Simplify right side
    2,898,080.10x = 6,363,989,465,813.90
  5. Step 5: Solve for x
    x = 6,363,989,465,813.90/2,898,080.10
  6. Step 6: Final answer
    x = 2,195,932.91

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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.