Home / 6,390,952.12-8,819,731.54-3,779,694.62

Finding the Fourth Proportional to 6,390,952.12, 8,819,731.54 and 3,779,694.62

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Solution

The fourth proportional to 6,390,952.12, 8,819,731.54 and 3,779,694.62 is: 5,216,107.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,952.12 : 8,819,731.54 = 3,779,694.62 : x
  2. Step 2: Convert to fraction form
    6,390,952.12/8,819,731.54 = 3,779,694.62/x
  3. Step 3: Cross multiply
    6,390,952.12x = 8,819,731.54 × 3,779,694.62
  4. Step 4: Simplify right side
    6,390,952.12x = 33,335,891,824,021.48
  5. Step 5: Solve for x
    x = 33,335,891,824,021.48/6,390,952.12
  6. Step 6: Final answer
    x = 5,216,107.27

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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.