Home / 2,180,158.20-3,271,403.70-918,113.40

Finding the Fourth Proportional to 2,180,158.20, 3,271,403.70 and 918,113.40

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Solution

The fourth proportional to 2,180,158.20, 3,271,403.70 and 918,113.40 is: 1,377,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,158.20 : 3,271,403.70 = 918,113.40 : x
  2. Step 2: Convert to fraction form
    2,180,158.20/3,271,403.70 = 918,113.40/x
  3. Step 3: Cross multiply
    2,180,158.20x = 3,271,403.70 × 918,113.40
  4. Step 4: Simplify right side
    2,180,158.20x = 3,003,519,573,779.58
  5. Step 5: Solve for x
    x = 3,003,519,573,779.58/2,180,158.20
  6. Step 6: Final answer
    x = 1,377,661.30

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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.