Home / 2,108,686.80-3,162,415.80-760,693.20

Finding the Fourth Proportional to 2,108,686.80, 3,162,415.80 and 760,693.20

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Solution

The fourth proportional to 2,108,686.80, 3,162,415.80 and 760,693.20 is: 1,140,818.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,686.80 : 3,162,415.80 = 760,693.20 : x
  2. Step 2: Convert to fraction form
    2,108,686.80/3,162,415.80 = 760,693.20/x
  3. Step 3: Cross multiply
    2,108,686.80x = 3,162,415.80 × 760,693.20
  4. Step 4: Simplify right side
    2,108,686.80x = 2,405,628,194,632.56
  5. Step 5: Solve for x
    x = 2,405,628,194,632.56/2,108,686.80
  6. Step 6: Final answer
    x = 1,140,818.16

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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.