Home / 5,397,947.76-7,444,343.42-4,478,721.70

Finding the Fourth Proportional to 5,397,947.76, 7,444,343.42 and 4,478,721.70

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Solution

The fourth proportional to 5,397,947.76, 7,444,343.42 and 4,478,721.70 is: 6,176,633.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397,947.76 : 7,444,343.42 = 4,478,721.70 : x
  2. Step 2: Convert to fraction form
    5,397,947.76/7,444,343.42 = 4,478,721.70/x
  3. Step 3: Cross multiply
    5,397,947.76x = 7,444,343.42 × 4,478,721.70
  4. Step 4: Simplify right side
    5,397,947.76x = 33,341,142,417,406.21
  5. Step 5: Solve for x
    x = 33,341,142,417,406.21/5,397,947.76
  6. Step 6: Final answer
    x = 6,176,633.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.