Home / 2,976,238.91-4,463,880.43-816,759.67

Finding the Fourth Proportional to 2,976,238.91, 4,463,880.43 and 816,759.67

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Solution

The fourth proportional to 2,976,238.91, 4,463,880.43 and 816,759.67 is: 1,225,008.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976,238.91 : 4,463,880.43 = 816,759.67 : x
  2. Step 2: Convert to fraction form
    2,976,238.91/4,463,880.43 = 816,759.67/x
  3. Step 3: Cross multiply
    2,976,238.91x = 4,463,880.43 × 816,759.67
  4. Step 4: Simplify right side
    2,976,238.91x = 3,645,917,502,842.46
  5. Step 5: Solve for x
    x = 3,645,917,502,842.46/2,976,238.91
  6. Step 6: Final answer
    x = 1,225,008.35

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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.