Home / 1,996,861.40-2,995,680.90-859,621.40

Finding the Fourth Proportional to 1,996,861.40, 2,995,680.90 and 859,621.40

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Solution

The fourth proportional to 1,996,861.40, 2,995,680.90 and 859,621.40 is: 1,289,599.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,861.40 : 2,995,680.90 = 859,621.40 : x
  2. Step 2: Convert to fraction form
    1,996,861.40/2,995,680.90 = 859,621.40/x
  3. Step 3: Cross multiply
    1,996,861.40x = 2,995,680.90 × 859,621.40
  4. Step 4: Simplify right side
    1,996,861.40x = 2,575,151,409,211.26
  5. Step 5: Solve for x
    x = 2,575,151,409,211.26/1,996,861.40
  6. Step 6: Final answer
    x = 1,289,599.47

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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.