Home / 1,567,387.96-2,160,993.03-1,015,127.92

Finding the Fourth Proportional to 1,567,387.96, 2,160,993.03 and 1,015,127.92

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Solution

The fourth proportional to 1,567,387.96, 2,160,993.03 and 1,015,127.92 is: 1,399,579.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,387.96 : 2,160,993.03 = 1,015,127.92 : x
  2. Step 2: Convert to fraction form
    1,567,387.96/2,160,993.03 = 1,015,127.92/x
  3. Step 3: Cross multiply
    1,567,387.96x = 2,160,993.03 × 1,015,127.92
  4. Step 4: Simplify right side
    1,567,387.96x = 2,193,684,359,678.40
  5. Step 5: Solve for x
    x = 2,193,684,359,678.40/1,567,387.96
  6. Step 6: Final answer
    x = 1,399,579.69

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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.