Home / 2,929,838.45-4,389,442.65-2,163,234.80

Finding the Fourth Proportional to 2,929,838.45, 4,389,442.65 and 2,163,234.80

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Solution

The fourth proportional to 2,929,838.45, 4,389,442.65 and 2,163,234.80 is: 3,240,927.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929,838.45 : 4,389,442.65 = 2,163,234.80 : x
  2. Step 2: Convert to fraction form
    2,929,838.45/4,389,442.65 = 2,163,234.80/x
  3. Step 3: Cross multiply
    2,929,838.45x = 4,389,442.65 × 2,163,234.80
  4. Step 4: Simplify right side
    2,929,838.45x = 9,495,395,104,057.83
  5. Step 5: Solve for x
    x = 9,495,395,104,057.83/2,929,838.45
  6. Step 6: Final answer
    x = 3,240,927.88

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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.