Home / 5,280,463.12-7,921,588.88-1,821,263.52

Finding the Fourth Proportional to 5,280,463.12, 7,921,588.88 and 1,821,263.52

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Solution

The fourth proportional to 5,280,463.12, 7,921,588.88 and 1,821,263.52 is: 2,732,203.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,463.12 : 7,921,588.88 = 1,821,263.52 : x
  2. Step 2: Convert to fraction form
    5,280,463.12/7,921,588.88 = 1,821,263.52/x
  3. Step 3: Cross multiply
    5,280,463.12x = 7,921,588.88 × 1,821,263.52
  4. Step 4: Simplify right side
    5,280,463.12x = 14,427,300,847,581.66
  5. Step 5: Solve for x
    x = 14,427,300,847,581.66/5,280,463.12
  6. Step 6: Final answer
    x = 2,732,203.69

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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.