Home / 2,787,319.35-3,842,429.40-1,970,081.19

Finding the Fourth Proportional to 2,787,319.35, 3,842,429.40 and 1,970,081.19

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Solution

The fourth proportional to 2,787,319.35, 3,842,429.40 and 1,970,081.19 is: 2,715,834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,319.35 : 3,842,429.40 = 1,970,081.19 : x
  2. Step 2: Convert to fraction form
    2,787,319.35/3,842,429.40 = 1,970,081.19/x
  3. Step 3: Cross multiply
    2,787,319.35x = 3,842,429.40 × 1,970,081.19
  4. Step 4: Simplify right side
    2,787,319.35x = 7,569,897,884,842.99
  5. Step 5: Solve for x
    x = 7,569,897,884,842.99/2,787,319.35
  6. Step 6: Final answer
    x = 2,715,834.44

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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.