Home / 2,909,662.20-4,015,457.91-1,620,502.61

Finding the Fourth Proportional to 2,909,662.20, 4,015,457.91 and 1,620,502.61

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Solution

The fourth proportional to 2,909,662.20, 4,015,457.91 and 1,620,502.61 is: 2,236,362.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,662.20 : 4,015,457.91 = 1,620,502.61 : x
  2. Step 2: Convert to fraction form
    2,909,662.20/4,015,457.91 = 1,620,502.61/x
  3. Step 3: Cross multiply
    2,909,662.20x = 4,015,457.91 × 1,620,502.61
  4. Step 4: Simplify right side
    2,909,662.20x = 6,507,060,003,422.86
  5. Step 5: Solve for x
    x = 6,507,060,003,422.86/2,909,662.20
  6. Step 6: Final answer
    x = 2,236,362.70

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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.