Home / 2,127,874.32-3,188,530.98-1,047,146.40

Finding the Fourth Proportional to 2,127,874.32, 3,188,530.98 and 1,047,146.40

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Solution

The fourth proportional to 2,127,874.32, 3,188,530.98 and 1,047,146.40 is: 1,569,105.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,874.32 : 3,188,530.98 = 1,047,146.40 : x
  2. Step 2: Convert to fraction form
    2,127,874.32/3,188,530.98 = 1,047,146.40/x
  3. Step 3: Cross multiply
    2,127,874.32x = 3,188,530.98 × 1,047,146.40
  4. Step 4: Simplify right side
    2,127,874.32x = 3,338,858,736,995.47
  5. Step 5: Solve for x
    x = 3,338,858,736,995.47/2,127,874.32
  6. Step 6: Final answer
    x = 1,569,105.24

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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.