Home / 2,751,789.15-4,128,175.80-1,154,513.70

Finding the Fourth Proportional to 2,751,789.15, 4,128,175.80 and 1,154,513.70

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Solution

The fourth proportional to 2,751,789.15, 4,128,175.80 and 1,154,513.70 is: 1,731,977.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751,789.15 : 4,128,175.80 = 1,154,513.70 : x
  2. Step 2: Convert to fraction form
    2,751,789.15/4,128,175.80 = 1,154,513.70/x
  3. Step 3: Cross multiply
    2,751,789.15x = 4,128,175.80 × 1,154,513.70
  4. Step 4: Simplify right side
    2,751,789.15x = 4,766,035,517,108.46
  5. Step 5: Solve for x
    x = 4,766,035,517,108.46/2,751,789.15
  6. Step 6: Final answer
    x = 1,731,977.00

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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.