Home / 2,080,328.08-3,120,878.04-660,000.40

Finding the Fourth Proportional to 2,080,328.08, 3,120,878.04 and 660,000.40

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Solution

The fourth proportional to 2,080,328.08, 3,120,878.04 and 660,000.40 is: 990,123.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,328.08 : 3,120,878.04 = 660,000.40 : x
  2. Step 2: Convert to fraction form
    2,080,328.08/3,120,878.04 = 660,000.40/x
  3. Step 3: Cross multiply
    2,080,328.08x = 3,120,878.04 × 660,000.40
  4. Step 4: Simplify right side
    2,080,328.08x = 2,059,780,754,751.22
  5. Step 5: Solve for x
    x = 2,059,780,754,751.22/2,080,328.08
  6. Step 6: Final answer
    x = 990,123.04

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1.5x scale

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.