Home / 2,077,789.20-3,116,975.40-657,697.20

Finding the Fourth Proportional to 2,077,789.20, 3,116,975.40 and 657,697.20

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Solution

The fourth proportional to 2,077,789.20, 3,116,975.40 and 657,697.20 is: 986,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,789.20 : 3,116,975.40 = 657,697.20 : x
  2. Step 2: Convert to fraction form
    2,077,789.20/3,116,975.40 = 657,697.20/x
  3. Step 3: Cross multiply
    2,077,789.20x = 3,116,975.40 × 657,697.20
  4. Step 4: Simplify right side
    2,077,789.20x = 2,050,025,993,048.88
  5. Step 5: Solve for x
    x = 2,050,025,993,048.88/2,077,789.20
  6. Step 6: Final answer
    x = 986,638.10

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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.