Home / 1,929,081.24-2,661,887.40-1,057,686.64

Finding the Fourth Proportional to 1,929,081.24, 2,661,887.40 and 1,057,686.64

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Solution

The fourth proportional to 1,929,081.24, 2,661,887.40 and 1,057,686.64 is: 1,459,473.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,081.24 : 2,661,887.40 = 1,057,686.64 : x
  2. Step 2: Convert to fraction form
    1,929,081.24/2,661,887.40 = 1,057,686.64/x
  3. Step 3: Cross multiply
    1,929,081.24x = 2,661,887.40 × 1,057,686.64
  4. Step 4: Simplify right side
    1,929,081.24x = 2,815,442,740,164.34
  5. Step 5: Solve for x
    x = 2,815,442,740,164.34/1,929,081.24
  6. Step 6: Final answer
    x = 1,459,473.39

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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.