Home / 1,543,267.32-2,130,447.33-1,027,878.90

Finding the Fourth Proportional to 1,543,267.32, 2,130,447.33 and 1,027,878.90

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Solution

The fourth proportional to 1,543,267.32, 2,130,447.33 and 1,027,878.90 is: 1,418,964.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,267.32 : 2,130,447.33 = 1,027,878.90 : x
  2. Step 2: Convert to fraction form
    1,543,267.32/2,130,447.33 = 1,027,878.90/x
  3. Step 3: Cross multiply
    1,543,267.32x = 2,130,447.33 × 1,027,878.90
  4. Step 4: Simplify right side
    1,543,267.32x = 2,189,841,858,068.34
  5. Step 5: Solve for x
    x = 2,189,841,858,068.34/1,543,267.32
  6. Step 6: Final answer
    x = 1,418,964.71

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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.