Home / 3,218,894.80-4,828,342.20-2,021,658.10

Finding the Fourth Proportional to 3,218,894.80, 4,828,342.20 and 2,021,658.10

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Solution

The fourth proportional to 3,218,894.80, 4,828,342.20 and 2,021,658.10 is: 3,032,487.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,894.80 : 4,828,342.20 = 2,021,658.10 : x
  2. Step 2: Convert to fraction form
    3,218,894.80/4,828,342.20 = 2,021,658.10/x
  3. Step 3: Cross multiply
    3,218,894.80x = 4,828,342.20 × 2,021,658.10
  4. Step 4: Simplify right side
    3,218,894.80x = 9,761,257,118,201.82
  5. Step 5: Solve for x
    x = 9,761,257,118,201.82/3,218,894.80
  6. Step 6: Final answer
    x = 3,032,487.15

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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.