Home / 2,791,912.40-4,191,805.20-1,729,030.40

Finding the Fourth Proportional to 2,791,912.40, 4,191,805.20 and 1,729,030.40

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Solution

The fourth proportional to 2,791,912.40, 4,191,805.20 and 1,729,030.40 is: 2,595,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,912.40 : 4,191,805.20 = 1,729,030.40 : x
  2. Step 2: Convert to fraction form
    2,791,912.40/4,191,805.20 = 1,729,030.40/x
  3. Step 3: Cross multiply
    2,791,912.40x = 4,191,805.20 × 1,729,030.40
  4. Step 4: Simplify right side
    2,791,912.40x = 7,247,758,621,678.08
  5. Step 5: Solve for x
    x = 7,247,758,621,678.08/2,791,912.40
  6. Step 6: Final answer
    x = 2,595,983.54

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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.