Home / 2,686,419.80-4,029,629.70-2,528,826.20

Finding the Fourth Proportional to 2,686,419.80, 4,029,629.70 and 2,528,826.20

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Solution

The fourth proportional to 2,686,419.80, 4,029,629.70 and 2,528,826.20 is: 3,793,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,419.80 : 4,029,629.70 = 2,528,826.20 : x
  2. Step 2: Convert to fraction form
    2,686,419.80/4,029,629.70 = 2,528,826.20/x
  3. Step 3: Cross multiply
    2,686,419.80x = 4,029,629.70 × 2,528,826.20
  4. Step 4: Simplify right side
    2,686,419.80x = 10,190,233,161,658.14
  5. Step 5: Solve for x
    x = 10,190,233,161,658.14/2,686,419.80
  6. Step 6: Final answer
    x = 3,793,239.30

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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.