Home / 2,686,440.20-4,032,770.70-1,622,683.40

Finding the Fourth Proportional to 2,686,440.20, 4,032,770.70 and 1,622,683.40

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Solution

The fourth proportional to 2,686,440.20, 4,032,770.70 and 1,622,683.40 is: 2,435,903.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,440.20 : 4,032,770.70 = 1,622,683.40 : x
  2. Step 2: Convert to fraction form
    2,686,440.20/4,032,770.70 = 1,622,683.40/x
  3. Step 3: Cross multiply
    2,686,440.20x = 4,032,770.70 × 1,622,683.40
  4. Step 4: Simplify right side
    2,686,440.20x = 6,543,910,070,896.38
  5. Step 5: Solve for x
    x = 6,543,910,070,896.38/2,686,440.20
  6. Step 6: Final answer
    x = 2,435,903.87

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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.