Home / 2,489,815.38-3,435,911.55-1,402,100.40

Finding the Fourth Proportional to 2,489,815.38, 3,435,911.55 and 1,402,100.40

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Solution

The fourth proportional to 2,489,815.38, 3,435,911.55 and 1,402,100.40 is: 1,934,879.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489,815.38 : 3,435,911.55 = 1,402,100.40 : x
  2. Step 2: Convert to fraction form
    2,489,815.38/3,435,911.55 = 1,402,100.40/x
  3. Step 3: Cross multiply
    2,489,815.38x = 3,435,911.55 × 1,402,100.40
  4. Step 4: Simplify right side
    2,489,815.38x = 4,817,492,958,619.62
  5. Step 5: Solve for x
    x = 4,817,492,958,619.62/2,489,815.38
  6. Step 6: Final answer
    x = 1,934,879.59

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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.