Home / 2,660,300.80-3,992,040.80-977,574.40

Finding the Fourth Proportional to 2,660,300.80, 3,992,040.80 and 977,574.40

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Solution

The fourth proportional to 2,660,300.80, 3,992,040.80 and 977,574.40 is: 1,466,945.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,300.80 : 3,992,040.80 = 977,574.40 : x
  2. Step 2: Convert to fraction form
    2,660,300.80/3,992,040.80 = 977,574.40/x
  3. Step 3: Cross multiply
    2,660,300.80x = 3,992,040.80 × 977,574.40
  4. Step 4: Simplify right side
    2,660,300.80x = 3,902,516,889,835.52
  5. Step 5: Solve for x
    x = 3,902,516,889,835.52/2,660,300.80
  6. Step 6: Final answer
    x = 1,466,945.73

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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.