Home / 5,206,543.20-7,809,814.80-1,368,358.20

Finding the Fourth Proportional to 5,206,543.20, 7,809,814.80 and 1,368,358.20

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Solution

The fourth proportional to 5,206,543.20, 7,809,814.80 and 1,368,358.20 is: 2,052,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206,543.20 : 7,809,814.80 = 1,368,358.20 : x
  2. Step 2: Convert to fraction form
    5,206,543.20/7,809,814.80 = 1,368,358.20/x
  3. Step 3: Cross multiply
    5,206,543.20x = 7,809,814.80 × 1,368,358.20
  4. Step 4: Simplify right side
    5,206,543.20x = 10,686,624,122,061.36
  5. Step 5: Solve for x
    x = 10,686,624,122,061.36/5,206,543.20
  6. Step 6: Final answer
    x = 2,052,537.30

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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.