Home / 3,479,820.60-5,219,471.70-1,457,542.20

Finding the Fourth Proportional to 3,479,820.60, 5,219,471.70 and 1,457,542.20

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Solution

The fourth proportional to 3,479,820.60, 5,219,471.70 and 1,457,542.20 is: 2,186,204.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,820.60 : 5,219,471.70 = 1,457,542.20 : x
  2. Step 2: Convert to fraction form
    3,479,820.60/5,219,471.70 = 1,457,542.20/x
  3. Step 3: Cross multiply
    3,479,820.60x = 5,219,471.70 × 1,457,542.20
  4. Step 4: Simplify right side
    3,479,820.60x = 7,607,600,264,455.74
  5. Step 5: Solve for x
    x = 7,607,600,264,455.74/3,479,820.60
  6. Step 6: Final answer
    x = 2,186,204.73

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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.