Home / 1,962,402.80-2,947,751.40-1,891,900.40

Finding the Fourth Proportional to 1,962,402.80, 2,947,751.40 and 1,891,900.40

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Solution

The fourth proportional to 1,962,402.80, 2,947,751.40 and 1,891,900.40 is: 2,841,848.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,402.80 : 2,947,751.40 = 1,891,900.40 : x
  2. Step 2: Convert to fraction form
    1,962,402.80/2,947,751.40 = 1,891,900.40/x
  3. Step 3: Cross multiply
    1,962,402.80x = 2,947,751.40 × 1,891,900.40
  4. Step 4: Simplify right side
    1,962,402.80x = 5,576,852,052,760.56
  5. Step 5: Solve for x
    x = 5,576,852,052,760.56/1,962,402.80
  6. Step 6: Final answer
    x = 2,841,848.81

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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.