Home / 6,439,885.12-8,887,241.46-3,539,223.28

Finding the Fourth Proportional to 6,439,885.12, 8,887,241.46 and 3,539,223.28

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Solution

The fourth proportional to 6,439,885.12, 8,887,241.46 and 3,539,223.28 is: 4,884,238.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,885.12 : 8,887,241.46 = 3,539,223.28 : x
  2. Step 2: Convert to fraction form
    6,439,885.12/8,887,241.46 = 3,539,223.28/x
  3. Step 3: Cross multiply
    6,439,885.12x = 8,887,241.46 × 3,539,223.28
  4. Step 4: Simplify right side
    6,439,885.12x = 31,453,931,870,213.19
  5. Step 5: Solve for x
    x = 31,453,931,870,213.19/6,439,885.12
  6. Step 6: Final answer
    x = 4,884,238.04

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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.