Home / 2,118,461.49-3,177,633.51-770,649.03

Finding the Fourth Proportional to 2,118,461.49, 3,177,633.51 and 770,649.03

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Solution

The fourth proportional to 2,118,461.49, 3,177,633.51 and 770,649.03 is: 1,155,952.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,461.49 : 3,177,633.51 = 770,649.03 : x
  2. Step 2: Convert to fraction form
    2,118,461.49/3,177,633.51 = 770,649.03/x
  3. Step 3: Cross multiply
    2,118,461.49x = 3,177,633.51 × 770,649.03
  4. Step 4: Simplify right side
    2,118,461.49x = 2,448,840,182,177.00
  5. Step 5: Solve for x
    x = 2,448,840,182,177.00/2,118,461.49
  6. Step 6: Final answer
    x = 1,155,952.18

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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.