Home / 3,886,742.40-5,827,348.80-1,489,660.80

Finding the Fourth Proportional to 3,886,742.40, 5,827,348.80 and 1,489,660.80

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Solution

The fourth proportional to 3,886,742.40, 5,827,348.80 and 1,489,660.80 is: 2,233,431.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,742.40 : 5,827,348.80 = 1,489,660.80 : x
  2. Step 2: Convert to fraction form
    3,886,742.40/5,827,348.80 = 1,489,660.80/x
  3. Step 3: Cross multiply
    3,886,742.40x = 5,827,348.80 × 1,489,660.80
  4. Step 4: Simplify right side
    3,886,742.40x = 8,680,773,075,287.04
  5. Step 5: Solve for x
    x = 8,680,773,075,287.04/3,886,742.40
  6. Step 6: Final answer
    x = 2,233,431.54

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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.