Home / 4,272,054.56-6,407,265.34-1,280,238.56

Finding the Fourth Proportional to 4,272,054.56, 6,407,265.34 and 1,280,238.56

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Solution

The fourth proportional to 4,272,054.56, 6,407,265.34 and 1,280,238.56 is: 1,920,113.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272,054.56 : 6,407,265.34 = 1,280,238.56 : x
  2. Step 2: Convert to fraction form
    4,272,054.56/6,407,265.34 = 1,280,238.56/x
  3. Step 3: Cross multiply
    4,272,054.56x = 6,407,265.34 × 1,280,238.56
  4. Step 4: Simplify right side
    4,272,054.56x = 8,202,828,123,583.78
  5. Step 5: Solve for x
    x = 8,202,828,123,583.78/4,272,054.56
  6. Step 6: Final answer
    x = 1,920,113.15

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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.