Home / 2,021,492.30-2,789,904.02-1,150,538.76

Finding the Fourth Proportional to 2,021,492.30, 2,789,904.02 and 1,150,538.76

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Solution

The fourth proportional to 2,021,492.30, 2,789,904.02 and 1,150,538.76 is: 1,587,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,492.30 : 2,789,904.02 = 1,150,538.76 : x
  2. Step 2: Convert to fraction form
    2,021,492.30/2,789,904.02 = 1,150,538.76/x
  3. Step 3: Cross multiply
    2,021,492.30x = 2,789,904.02 × 1,150,538.76
  4. Step 4: Simplify right side
    2,021,492.30x = 3,209,892,705,937.12
  5. Step 5: Solve for x
    x = 3,209,892,705,937.12/2,021,492.30
  6. Step 6: Final answer
    x = 1,587,882.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.