Home / 6,849,247.82-10,275,344.08-1,991,638.70

Finding the Fourth Proportional to 6,849,247.82, 10,275,344.08 and 1,991,638.70

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Solution

The fourth proportional to 6,849,247.82, 10,275,344.08 and 1,991,638.70 is: 2,987,886.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,849,247.82 : 10,275,344.08 = 1,991,638.70 : x
  2. Step 2: Convert to fraction form
    6,849,247.82/10,275,344.08 = 1,991,638.70/x
  3. Step 3: Cross multiply
    6,849,247.82x = 10,275,344.08 × 1,991,638.70
  4. Step 4: Simplify right side
    6,849,247.82x = 20,464,772,925,543.89
  5. Step 5: Solve for x
    x = 20,464,772,925,543.89/6,849,247.82
  6. Step 6: Final answer
    x = 2,987,886.18

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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.