Home / 5,124,661.20-7,686,991.80-3,239,758.80

Finding the Fourth Proportional to 5,124,661.20, 7,686,991.80 and 3,239,758.80

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Solution

The fourth proportional to 5,124,661.20, 7,686,991.80 and 3,239,758.80 is: 4,859,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124,661.20 : 7,686,991.80 = 3,239,758.80 : x
  2. Step 2: Convert to fraction form
    5,124,661.20/7,686,991.80 = 3,239,758.80/x
  3. Step 3: Cross multiply
    5,124,661.20x = 7,686,991.80 × 3,239,758.80
  4. Step 4: Simplify right side
    5,124,661.20x = 24,903,999,329,577.84
  5. Step 5: Solve for x
    x = 24,903,999,329,577.84/5,124,661.20
  6. Step 6: Final answer
    x = 4,859,638.20

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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.