Home / 1,974,499.40-2,961,749.10-1,336,770.20

Finding the Fourth Proportional to 1,974,499.40, 2,961,749.10 and 1,336,770.20

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Solution

The fourth proportional to 1,974,499.40, 2,961,749.10 and 1,336,770.20 is: 2,005,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,499.40 : 2,961,749.10 = 1,336,770.20 : x
  2. Step 2: Convert to fraction form
    1,974,499.40/2,961,749.10 = 1,336,770.20/x
  3. Step 3: Cross multiply
    1,974,499.40x = 2,961,749.10 × 1,336,770.20
  4. Step 4: Simplify right side
    1,974,499.40x = 3,959,177,936,756.82
  5. Step 5: Solve for x
    x = 3,959,177,936,756.82/1,974,499.40
  6. Step 6: Final answer
    x = 2,005,155.30

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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.