Home / 2,165,602.80-3,241,405.80-1,689,711.60

Finding the Fourth Proportional to 2,165,602.80, 3,241,405.80 and 1,689,711.60

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Solution

The fourth proportional to 2,165,602.80, 3,241,405.80 and 1,689,711.60 is: 2,529,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,602.80 : 3,241,405.80 = 1,689,711.60 : x
  2. Step 2: Convert to fraction form
    2,165,602.80/3,241,405.80 = 1,689,711.60/x
  3. Step 3: Cross multiply
    2,165,602.80x = 3,241,405.80 × 1,689,711.60
  4. Step 4: Simplify right side
    2,165,602.80x = 5,477,040,980,567.28
  5. Step 5: Solve for x
    x = 5,477,040,980,567.28/2,165,602.80
  6. Step 6: Final answer
    x = 2,529,106.90

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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.