Home / 2,190,929.19-3,023,426.46-1,224,066.70

Finding the Fourth Proportional to 2,190,929.19, 3,023,426.46 and 1,224,066.70

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Solution

The fourth proportional to 2,190,929.19, 3,023,426.46 and 1,224,066.70 is: 1,689,180.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,929.19 : 3,023,426.46 = 1,224,066.70 : x
  2. Step 2: Convert to fraction form
    2,190,929.19/3,023,426.46 = 1,224,066.70/x
  3. Step 3: Cross multiply
    2,190,929.19x = 3,023,426.46 × 1,224,066.70
  4. Step 4: Simplify right side
    2,190,929.19x = 3,700,875,649,584.88
  5. Step 5: Solve for x
    x = 3,700,875,649,584.88/2,190,929.19
  6. Step 6: Final answer
    x = 1,689,180.86

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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.