Home / 2,929,809.72-4,389,400.08-2,163,205.92

Finding the Fourth Proportional to 2,929,809.72, 4,389,400.08 and 2,163,205.92

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Solution

The fourth proportional to 2,929,809.72, 4,389,400.08 and 2,163,205.92 is: 3,240,884.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929,809.72 : 4,389,400.08 = 2,163,205.92 : x
  2. Step 2: Convert to fraction form
    2,929,809.72/4,389,400.08 = 2,163,205.92/x
  3. Step 3: Cross multiply
    2,929,809.72x = 4,389,400.08 × 2,163,205.92
  4. Step 4: Simplify right side
    2,929,809.72x = 9,495,176,238,304.47
  5. Step 5: Solve for x
    x = 9,495,176,238,304.47/2,929,809.72
  6. Step 6: Final answer
    x = 3,240,884.95

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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.