Home / 1,845,742.20-2,769,131.70-899,143.80

Finding the Fourth Proportional to 1,845,742.20, 2,769,131.70 and 899,143.80

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Solution

The fourth proportional to 1,845,742.20, 2,769,131.70 and 899,143.80 is: 1,348,968.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,742.20 : 2,769,131.70 = 899,143.80 : x
  2. Step 2: Convert to fraction form
    1,845,742.20/2,769,131.70 = 899,143.80/x
  3. Step 3: Cross multiply
    1,845,742.20x = 2,769,131.70 × 899,143.80
  4. Step 4: Simplify right side
    1,845,742.20x = 2,489,847,599,438.46
  5. Step 5: Solve for x
    x = 2,489,847,599,438.46/1,845,742.20
  6. Step 6: Final answer
    x = 1,348,968.24

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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.