Home / 3,121,119.64-4,681,657.59-1,605,225.20

Finding the Fourth Proportional to 3,121,119.64, 4,681,657.59 and 1,605,225.20

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Solution

The fourth proportional to 3,121,119.64, 4,681,657.59 and 1,605,225.20 is: 2,407,826.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,119.64 : 4,681,657.59 = 1,605,225.20 : x
  2. Step 2: Convert to fraction form
    3,121,119.64/4,681,657.59 = 1,605,225.20/x
  3. Step 3: Cross multiply
    3,121,119.64x = 4,681,657.59 × 1,605,225.20
  4. Step 4: Simplify right side
    3,121,119.64x = 7,515,114,720,840.78
  5. Step 5: Solve for x
    x = 7,515,114,720,840.78/3,121,119.64
  6. Step 6: Final answer
    x = 2,407,826.54

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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.