Home / 5,436,482.72-7,502,187.52-2,989,091.21

Finding the Fourth Proportional to 5,436,482.72, 7,502,187.52 and 2,989,091.21

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Solution

The fourth proportional to 5,436,482.72, 7,502,187.52 and 2,989,091.21 is: 4,124,858.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436,482.72 : 7,502,187.52 = 2,989,091.21 : x
  2. Step 2: Convert to fraction form
    5,436,482.72/7,502,187.52 = 2,989,091.21/x
  3. Step 3: Cross multiply
    5,436,482.72x = 7,502,187.52 × 2,989,091.21
  4. Step 4: Simplify right side
    5,436,482.72x = 22,424,722,788,635.75
  5. Step 5: Solve for x
    x = 22,424,722,788,635.75/5,436,482.72
  6. Step 6: Final answer
    x = 4,124,858.65

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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.