Home / 6,329,428.09-8,734,575.76-3,428,875.60

Finding the Fourth Proportional to 6,329,428.09, 8,734,575.76 and 3,428,875.60

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Solution

The fourth proportional to 6,329,428.09, 8,734,575.76 and 3,428,875.60 is: 4,731,829.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,329,428.09 : 8,734,575.76 = 3,428,875.60 : x
  2. Step 2: Convert to fraction form
    6,329,428.09/8,734,575.76 = 3,428,875.60/x
  3. Step 3: Cross multiply
    6,329,428.09x = 8,734,575.76 × 3,428,875.60
  4. Step 4: Simplify right side
    6,329,428.09x = 29,949,773,699,815.46
  5. Step 5: Solve for x
    x = 29,949,773,699,815.46/6,329,428.09
  6. Step 6: Final answer
    x = 4,731,829.36

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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.