Home / 2,783,531.13-3,841,078.90-1,543,129.20

Finding the Fourth Proportional to 2,783,531.13, 3,841,078.90 and 1,543,129.20

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Solution

The fourth proportional to 2,783,531.13, 3,841,078.90 and 1,543,129.20 is: 2,129,410.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,531.13 : 3,841,078.90 = 1,543,129.20 : x
  2. Step 2: Convert to fraction form
    2,783,531.13/3,841,078.90 = 1,543,129.20/x
  3. Step 3: Cross multiply
    2,783,531.13x = 3,841,078.90 × 1,543,129.20
  4. Step 4: Simplify right side
    2,783,531.13x = 5,927,281,024,272.51
  5. Step 5: Solve for x
    x = 5,927,281,024,272.51/2,783,531.13
  6. Step 6: Final answer
    x = 2,129,410.72

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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.