Home / 6,556,979.52-9,049,276.80-3,978,457.92

Finding the Fourth Proportional to 6,556,979.52, 9,049,276.80 and 3,978,457.92

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Solution

The fourth proportional to 6,556,979.52, 9,049,276.80 and 3,978,457.92 is: 5,490,663.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,556,979.52 : 9,049,276.80 = 3,978,457.92 : x
  2. Step 2: Convert to fraction form
    6,556,979.52/9,049,276.80 = 3,978,457.92/x
  3. Step 3: Cross multiply
    6,556,979.52x = 9,049,276.80 × 3,978,457.92
  4. Step 4: Simplify right side
    6,556,979.52x = 36,002,166,955,232.26
  5. Step 5: Solve for x
    x = 36,002,166,955,232.26/6,556,979.52
  6. Step 6: Final answer
    x = 5,490,663.32

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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.