Home / 2,922,986.40-4,380,332.40-2,158,864.80

Finding the Fourth Proportional to 2,922,986.40, 4,380,332.40 and 2,158,864.80

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Solution

The fourth proportional to 2,922,986.40, 4,380,332.40 and 2,158,864.80 is: 3,235,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922,986.40 : 4,380,332.40 = 2,158,864.80 : x
  2. Step 2: Convert to fraction form
    2,922,986.40/4,380,332.40 = 2,158,864.80/x
  3. Step 3: Cross multiply
    2,922,986.40x = 4,380,332.40 × 2,158,864.80
  4. Step 4: Simplify right side
    2,922,986.40x = 9,456,545,430,659.52
  5. Step 5: Solve for x
    x = 9,456,545,430,659.52/2,922,986.40
  6. Step 6: Final answer
    x = 3,235,234.15

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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.