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Finding the Fourth Proportional to 5,605,054.46, 7,734,998.84 and 3,157,694.81

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Solution

The fourth proportional to 5,605,054.46, 7,734,998.84 and 3,157,694.81 is: 4,357,632.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605,054.46 : 7,734,998.84 = 3,157,694.81 : x
  2. Step 2: Convert to fraction form
    5,605,054.46/7,734,998.84 = 3,157,694.81/x
  3. Step 3: Cross multiply
    5,605,054.46x = 7,734,998.84 × 3,157,694.81
  4. Step 4: Simplify right side
    5,605,054.46x = 24,424,765,637,960.55
  5. Step 5: Solve for x
    x = 24,424,765,637,960.55/5,605,054.46
  6. Step 6: Final answer
    x = 4,357,632.18

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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.