Home / 5,352,789.28-7,386,855.19-2,905,399.68

Finding the Fourth Proportional to 5,352,789.28, 7,386,855.19 and 2,905,399.68

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Solution

The fourth proportional to 5,352,789.28, 7,386,855.19 and 2,905,399.68 is: 4,009,454.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352,789.28 : 7,386,855.19 = 2,905,399.68 : x
  2. Step 2: Convert to fraction form
    5,352,789.28/7,386,855.19 = 2,905,399.68/x
  3. Step 3: Cross multiply
    5,352,789.28x = 7,386,855.19 × 2,905,399.68
  4. Step 4: Simplify right side
    5,352,789.28x = 21,461,766,705,232.34
  5. Step 5: Solve for x
    x = 21,461,766,705,232.34/5,352,789.28
  6. Step 6: Final answer
    x = 4,009,454.81

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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.