Home / 5,257,686.70-7,886,530.05-2,990,205.10

Finding the Fourth Proportional to 5,257,686.70, 7,886,530.05 and 2,990,205.10

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Solution

The fourth proportional to 5,257,686.70, 7,886,530.05 and 2,990,205.10 is: 4,485,307.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257,686.70 : 7,886,530.05 = 2,990,205.10 : x
  2. Step 2: Convert to fraction form
    5,257,686.70/7,886,530.05 = 2,990,205.10/x
  3. Step 3: Cross multiply
    5,257,686.70x = 7,886,530.05 × 2,990,205.10
  4. Step 4: Simplify right side
    5,257,686.70x = 23,582,342,376,813.25
  5. Step 5: Solve for x
    x = 23,582,342,376,813.25/5,257,686.70
  6. Step 6: Final answer
    x = 4,485,307.65

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Similar ratio
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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.