Home / 3,120,512.30-4,681,424.55-1,771,570.70

Finding the Fourth Proportional to 3,120,512.30, 4,681,424.55 and 1,771,570.70

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Solution

The fourth proportional to 3,120,512.30, 4,681,424.55 and 1,771,570.70 is: 2,657,728.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,512.30 : 4,681,424.55 = 1,771,570.70 : x
  2. Step 2: Convert to fraction form
    3,120,512.30/4,681,424.55 = 1,771,570.70/x
  3. Step 3: Cross multiply
    3,120,512.30x = 4,681,424.55 × 1,771,570.70
  4. Step 4: Simplify right side
    3,120,512.30x = 8,293,474,567,040.69
  5. Step 5: Solve for x
    x = 8,293,474,567,040.69/3,120,512.30
  6. Step 6: Final answer
    x = 2,657,728.53

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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.