Home / 2,080,320.30-3,120,480.45-1,015,526.70

Finding the Fourth Proportional to 2,080,320.30, 3,120,480.45 and 1,015,526.70

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Solution

The fourth proportional to 2,080,320.30, 3,120,480.45 and 1,015,526.70 is: 1,523,290.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,320.30 : 3,120,480.45 = 1,015,526.70 : x
  2. Step 2: Convert to fraction form
    2,080,320.30/3,120,480.45 = 1,015,526.70/x
  3. Step 3: Cross multiply
    2,080,320.30x = 3,120,480.45 × 1,015,526.70
  4. Step 4: Simplify right side
    2,080,320.30x = 3,168,931,213,803.02
  5. Step 5: Solve for x
    x = 3,168,931,213,803.02/2,080,320.30
  6. Step 6: Final answer
    x = 1,523,290.05

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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.