Home / 1,979,564.40-2,969,443.80-1,034,780.40

Finding the Fourth Proportional to 1,979,564.40, 2,969,443.80 and 1,034,780.40

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Solution

The fourth proportional to 1,979,564.40, 2,969,443.80 and 1,034,780.40 is: 1,552,221.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,564.40 : 2,969,443.80 = 1,034,780.40 : x
  2. Step 2: Convert to fraction form
    1,979,564.40/2,969,443.80 = 1,034,780.40/x
  3. Step 3: Cross multiply
    1,979,564.40x = 2,969,443.80 × 1,034,780.40
  4. Step 4: Simplify right side
    1,979,564.40x = 3,072,722,243,141.52
  5. Step 5: Solve for x
    x = 3,072,722,243,141.52/1,979,564.40
  6. Step 6: Final answer
    x = 1,552,221.41

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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.