Home / 4,120,478.28-6,181,603.26-1,388,297.18

Finding the Fourth Proportional to 4,120,478.28, 6,181,603.26 and 1,388,297.18

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Solution

The fourth proportional to 4,120,478.28, 6,181,603.26 and 1,388,297.18 is: 2,082,744.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120,478.28 : 6,181,603.26 = 1,388,297.18 : x
  2. Step 2: Convert to fraction form
    4,120,478.28/6,181,603.26 = 1,388,297.18/x
  3. Step 3: Cross multiply
    4,120,478.28x = 6,181,603.26 × 1,388,297.18
  4. Step 4: Simplify right side
    4,120,478.28x = 8,581,902,378,312.70
  5. Step 5: Solve for x
    x = 8,581,902,378,312.70/4,120,478.28
  6. Step 6: Final answer
    x = 2,082,744.24

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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.