Home / 2,773,028.70-4,159,543.05-1,280,036.70

Finding the Fourth Proportional to 2,773,028.70, 4,159,543.05 and 1,280,036.70

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Solution

The fourth proportional to 2,773,028.70, 4,159,543.05 and 1,280,036.70 is: 1,920,055.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773,028.70 : 4,159,543.05 = 1,280,036.70 : x
  2. Step 2: Convert to fraction form
    2,773,028.70/4,159,543.05 = 1,280,036.70/x
  3. Step 3: Cross multiply
    2,773,028.70x = 4,159,543.05 × 1,280,036.70
  4. Step 4: Simplify right side
    2,773,028.70x = 5,324,367,759,229.93
  5. Step 5: Solve for x
    x = 5,324,367,759,229.93/2,773,028.70
  6. Step 6: Final answer
    x = 1,920,055.05

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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.