Home / 1,970,260.74-2,951,114.19-1,209,793.86

Finding the Fourth Proportional to 1,970,260.74, 2,951,114.19 and 1,209,793.86

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Solution

The fourth proportional to 1,970,260.74, 2,951,114.19 and 1,209,793.86 is: 1,812,064.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,260.74 : 2,951,114.19 = 1,209,793.86 : x
  2. Step 2: Convert to fraction form
    1,970,260.74/2,951,114.19 = 1,209,793.86/x
  3. Step 3: Cross multiply
    1,970,260.74x = 2,951,114.19 × 1,209,793.86
  4. Step 4: Simplify right side
    1,970,260.74x = 3,570,239,827,220.87
  5. Step 5: Solve for x
    x = 3,570,239,827,220.87/1,970,260.74
  6. Step 6: Final answer
    x = 1,812,064.64

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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.