Home / 2,180,970.20-3,271,973.70-918,147.80

Finding the Fourth Proportional to 2,180,970.20, 3,271,973.70 and 918,147.80

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Solution

The fourth proportional to 2,180,970.20, 3,271,973.70 and 918,147.80 is: 1,377,439.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,970.20 : 3,271,973.70 = 918,147.80 : x
  2. Step 2: Convert to fraction form
    2,180,970.20/3,271,973.70 = 918,147.80/x
  3. Step 3: Cross multiply
    2,180,970.20x = 3,271,973.70 × 918,147.80
  4. Step 4: Simplify right side
    2,180,970.20x = 3,004,155,454,312.86
  5. Step 5: Solve for x
    x = 3,004,155,454,312.86/2,180,970.20
  6. Step 6: Final answer
    x = 1,377,439.94

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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.