Home / 5,419,378.46-7,478,054.90-2,971,345.31

Finding the Fourth Proportional to 5,419,378.46, 7,478,054.90 and 2,971,345.31

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Solution

The fourth proportional to 5,419,378.46, 7,478,054.90 and 2,971,345.31 is: 4,100,079.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419,378.46 : 7,478,054.90 = 2,971,345.31 : x
  2. Step 2: Convert to fraction form
    5,419,378.46/7,478,054.90 = 2,971,345.31/x
  3. Step 3: Cross multiply
    5,419,378.46x = 7,478,054.90 × 2,971,345.31
  4. Step 4: Simplify right side
    5,419,378.46x = 22,219,883,355,037.52
  5. Step 5: Solve for x
    x = 22,219,883,355,037.52/5,419,378.46
  6. Step 6: Final answer
    x = 4,100,079.65

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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.