Home / 2,081,112.60-3,120,401.70-817,426.20

Finding the Fourth Proportional to 2,081,112.60, 3,120,401.70 and 817,426.20

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Solution

The fourth proportional to 2,081,112.60, 3,120,401.70 and 817,426.20 is: 1,225,641.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,112.60 : 3,120,401.70 = 817,426.20 : x
  2. Step 2: Convert to fraction form
    2,081,112.60/3,120,401.70 = 817,426.20/x
  3. Step 3: Cross multiply
    2,081,112.60x = 3,120,401.70 × 817,426.20
  4. Step 4: Simplify right side
    2,081,112.60x = 2,550,698,104,104.54
  5. Step 5: Solve for x
    x = 2,550,698,104,104.54/2,081,112.60
  6. Step 6: Final answer
    x = 1,225,641.57

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1.5x scale

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.