Home / 5,217,428.08-7,200,051.69-2,925,589.78

Finding the Fourth Proportional to 5,217,428.08, 7,200,051.69 and 2,925,589.78

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Solution

The fourth proportional to 5,217,428.08, 7,200,051.69 and 2,925,589.78 is: 4,037,314.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217,428.08 : 7,200,051.69 = 2,925,589.78 : x
  2. Step 2: Convert to fraction form
    5,217,428.08/7,200,051.69 = 2,925,589.78/x
  3. Step 3: Cross multiply
    5,217,428.08x = 7,200,051.69 × 2,925,589.78
  4. Step 4: Simplify right side
    5,217,428.08x = 21,064,397,639,735.73
  5. Step 5: Solve for x
    x = 21,064,397,639,735.73/5,217,428.08
  6. Step 6: Final answer
    x = 4,037,314.42

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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.