Home / 5,349,978.20-8,025,576.02-1,939,870.91

Finding the Fourth Proportional to 5,349,978.20, 8,025,576.02 and 1,939,870.91

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Solution

The fourth proportional to 5,349,978.20, 8,025,576.02 and 1,939,870.91 is: 2,910,027.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349,978.20 : 8,025,576.02 = 1,939,870.91 : x
  2. Step 2: Convert to fraction form
    5,349,978.20/8,025,576.02 = 1,939,870.91/x
  3. Step 3: Cross multiply
    5,349,978.20x = 8,025,576.02 × 1,939,870.91
  4. Step 4: Simplify right side
    5,349,978.20x = 15,568,581,457,191.58
  5. Step 5: Solve for x
    x = 15,568,581,457,191.58/5,349,978.20
  6. Step 6: Final answer
    x = 2,910,027.08

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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.