Home / 2,475,155.72-3,712,736.55-678,054.62

Finding the Fourth Proportional to 2,475,155.72, 3,712,736.55 and 678,054.62

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Solution

The fourth proportional to 2,475,155.72, 3,712,736.55 and 678,054.62 is: 1,017,082.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475,155.72 : 3,712,736.55 = 678,054.62 : x
  2. Step 2: Convert to fraction form
    2,475,155.72/3,712,736.55 = 678,054.62/x
  3. Step 3: Cross multiply
    2,475,155.72x = 3,712,736.55 × 678,054.62
  4. Step 4: Simplify right side
    2,475,155.72x = 2,517,438,170,570.36
  5. Step 5: Solve for x
    x = 2,517,438,170,570.36/2,475,155.72
  6. Step 6: Final answer
    x = 1,017,082.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.