Home / 6,329,218.47-8,734,348.25-3,428,609.36

Finding the Fourth Proportional to 6,329,218.47, 8,734,348.25 and 3,428,609.36

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Solution

The fourth proportional to 6,329,218.47, 8,734,348.25 and 3,428,609.36 is: 4,731,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,329,218.47 : 8,734,348.25 = 3,428,609.36 : x
  2. Step 2: Convert to fraction form
    6,329,218.47/8,734,348.25 = 3,428,609.36/x
  3. Step 3: Cross multiply
    6,329,218.47x = 8,734,348.25 × 3,428,609.36
  4. Step 4: Simplify right side
    6,329,218.47x = 29,946,668,102,634.83
  5. Step 5: Solve for x
    x = 29,946,668,102,634.83/6,329,218.47
  6. Step 6: Final answer
    x = 4,731,495.40

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1.5x scale

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.