Home / 3,613,334.40-5,420,011.32-1,218,861

Finding the Fourth Proportional to 3,613,334.40, 5,420,011.32 and 1,218,861

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Solution

The fourth proportional to 3,613,334.40, 5,420,011.32 and 1,218,861 is: 1,828,294.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613,334.40 : 5,420,011.32 = 1,218,861 : x
  2. Step 2: Convert to fraction form
    3,613,334.40/5,420,011.32 = 1,218,861/x
  3. Step 3: Cross multiply
    3,613,334.40x = 5,420,011.32 × 1,218,861
  4. Step 4: Simplify right side
    3,613,334.40x = 6,606,240,417,506.52
  5. Step 5: Solve for x
    x = 6,606,240,417,506.52/3,613,334.40
  6. Step 6: Final answer
    x = 1,828,294.78

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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.