Home / 2,998,830.76-4,138,489.78-1,640,703.80

Finding the Fourth Proportional to 2,998,830.76, 4,138,489.78 and 1,640,703.80

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Solution

The fourth proportional to 2,998,830.76, 4,138,489.78 and 1,640,703.80 is: 2,264,227.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998,830.76 : 4,138,489.78 = 1,640,703.80 : x
  2. Step 2: Convert to fraction form
    2,998,830.76/4,138,489.78 = 1,640,703.80/x
  3. Step 3: Cross multiply
    2,998,830.76x = 4,138,489.78 × 1,640,703.80
  4. Step 4: Simplify right side
    2,998,830.76x = 6,790,035,908,307.16
  5. Step 5: Solve for x
    x = 6,790,035,908,307.16/2,998,830.76
  6. Step 6: Final answer
    x = 2,264,227.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.