Home / 3,119,202.38-4,304,499.28-1,688,418.38

Finding the Fourth Proportional to 3,119,202.38, 4,304,499.28 and 1,688,418.38

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Solution

The fourth proportional to 3,119,202.38, 4,304,499.28 and 1,688,418.38 is: 2,330,017.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,202.38 : 4,304,499.28 = 1,688,418.38 : x
  2. Step 2: Convert to fraction form
    3,119,202.38/4,304,499.28 = 1,688,418.38/x
  3. Step 3: Cross multiply
    3,119,202.38x = 4,304,499.28 × 1,688,418.38
  4. Step 4: Simplify right side
    3,119,202.38x = 7,267,795,675,305.22
  5. Step 5: Solve for x
    x = 7,267,795,675,305.22/3,119,202.38
  6. Step 6: Final answer
    x = 2,330,017.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.