Home / 6,439,899.52-8,887,274.40-3,539,393.20

Finding the Fourth Proportional to 6,439,899.52, 8,887,274.40 and 3,539,393.20

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Solution

The fourth proportional to 6,439,899.52, 8,887,274.40 and 3,539,393.20 is: 4,884,479.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,899.52 : 8,887,274.40 = 3,539,393.20 : x
  2. Step 2: Convert to fraction form
    6,439,899.52/8,887,274.40 = 3,539,393.20/x
  3. Step 3: Cross multiply
    6,439,899.52x = 8,887,274.40 × 3,539,393.20
  4. Step 4: Simplify right side
    6,439,899.52x = 31,455,558,577,894.08
  5. Step 5: Solve for x
    x = 31,455,558,577,894.08/6,439,899.52
  6. Step 6: Final answer
    x = 4,884,479.72

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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.