Home / 2,825,156.40-4,231,513.80-2,509,969.20

Finding the Fourth Proportional to 2,825,156.40, 4,231,513.80 and 2,509,969.20

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Solution

The fourth proportional to 2,825,156.40, 4,231,513.80 and 2,509,969.20 is: 3,759,427.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,156.40 : 4,231,513.80 = 2,509,969.20 : x
  2. Step 2: Convert to fraction form
    2,825,156.40/4,231,513.80 = 2,509,969.20/x
  3. Step 3: Cross multiply
    2,825,156.40x = 4,231,513.80 × 2,509,969.20
  4. Step 4: Simplify right side
    2,825,156.40x = 10,620,969,307,374.96
  5. Step 5: Solve for x
    x = 10,620,969,307,374.96/2,825,156.40
  6. Step 6: Final answer
    x = 3,759,427.02

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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.