Home / 5,349,869.28-8,025,412.68-1,939,761.72

Finding the Fourth Proportional to 5,349,869.28, 8,025,412.68 and 1,939,761.72

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Solution

The fourth proportional to 5,349,869.28, 8,025,412.68 and 1,939,761.72 is: 2,909,863.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349,869.28 : 8,025,412.68 = 1,939,761.72 : x
  2. Step 2: Convert to fraction form
    5,349,869.28/8,025,412.68 = 1,939,761.72/x
  3. Step 3: Cross multiply
    5,349,869.28x = 8,025,412.68 × 1,939,761.72
  4. Step 4: Simplify right side
    5,349,869.28x = 15,567,388,303,866.61
  5. Step 5: Solve for x
    x = 15,567,388,303,866.61/5,349,869.28
  6. Step 6: Final answer
    x = 2,909,863.30

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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.