Home / 2,990,122.70-4,485,840.15-1,474,531.70

Finding the Fourth Proportional to 2,990,122.70, 4,485,840.15 and 1,474,531.70

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Solution

The fourth proportional to 2,990,122.70, 4,485,840.15 and 1,474,531.70 is: 2,212,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,122.70 : 4,485,840.15 = 1,474,531.70 : x
  2. Step 2: Convert to fraction form
    2,990,122.70/4,485,840.15 = 1,474,531.70/x
  3. Step 3: Cross multiply
    2,990,122.70x = 4,485,840.15 × 1,474,531.70
  4. Step 4: Simplify right side
    2,990,122.70x = 6,614,513,502,307.76
  5. Step 5: Solve for x
    x = 6,614,513,502,307.76/2,990,122.70
  6. Step 6: Final answer
    x = 2,212,121.10

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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.