Home / 2,628,294.64-3,942,830.16-830,770.18

Finding the Fourth Proportional to 2,628,294.64, 3,942,830.16 and 830,770.18

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Solution

The fourth proportional to 2,628,294.64, 3,942,830.16 and 830,770.18 is: 1,246,277.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,294.64 : 3,942,830.16 = 830,770.18 : x
  2. Step 2: Convert to fraction form
    2,628,294.64/3,942,830.16 = 830,770.18/x
  3. Step 3: Cross multiply
    2,628,294.64x = 3,942,830.16 × 830,770.18
  4. Step 4: Simplify right side
    2,628,294.64x = 3,275,585,721,732.63
  5. Step 5: Solve for x
    x = 3,275,585,721,732.63/2,628,294.64
  6. Step 6: Final answer
    x = 1,246,277.98

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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.