Home / 2,985,860.56-4,478,052.66-1,279,810.38

Finding the Fourth Proportional to 2,985,860.56, 4,478,052.66 and 1,279,810.38

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Solution

The fourth proportional to 2,985,860.56, 4,478,052.66 and 1,279,810.38 is: 1,919,399.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,860.56 : 4,478,052.66 = 1,279,810.38 : x
  2. Step 2: Convert to fraction form
    2,985,860.56/4,478,052.66 = 1,279,810.38/x
  3. Step 3: Cross multiply
    2,985,860.56x = 4,478,052.66 × 1,279,810.38
  4. Step 4: Simplify right side
    2,985,860.56x = 5,731,058,276,454.61
  5. Step 5: Solve for x
    x = 5,731,058,276,454.61/2,985,860.56
  6. Step 6: Final answer
    x = 1,919,399.17

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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.