Home / 2,686,742.40-4,024,864.80-1,618,611.60

Finding the Fourth Proportional to 2,686,742.40, 4,024,864.80 and 1,618,611.60

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Solution

The fourth proportional to 2,686,742.40, 4,024,864.80 and 1,618,611.60 is: 2,424,755.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,742.40 : 4,024,864.80 = 1,618,611.60 : x
  2. Step 2: Convert to fraction form
    2,686,742.40/4,024,864.80 = 1,618,611.60/x
  3. Step 3: Cross multiply
    2,686,742.40x = 4,024,864.80 × 1,618,611.60
  4. Step 4: Simplify right side
    2,686,742.40x = 6,514,692,853,711.68
  5. Step 5: Solve for x
    x = 6,514,692,853,711.68/2,686,742.40
  6. Step 6: Final answer
    x = 2,424,755.29

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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.