Home / 2,812,482.10-4,218,972.32-790,743.59

Finding the Fourth Proportional to 2,812,482.10, 4,218,972.32 and 790,743.59

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Solution

The fourth proportional to 2,812,482.10, 4,218,972.32 and 790,743.59 is: 1,186,185.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,482.10 : 4,218,972.32 = 790,743.59 : x
  2. Step 2: Convert to fraction form
    2,812,482.10/4,218,972.32 = 790,743.59/x
  3. Step 3: Cross multiply
    2,812,482.10x = 4,218,972.32 × 790,743.59
  4. Step 4: Simplify right side
    2,812,482.10x = 3,336,125,293,378.85
  5. Step 5: Solve for x
    x = 3,336,125,293,378.85/2,812,482.10
  6. Step 6: Final answer
    x = 1,186,185.43

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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.