Home / 6,866,768.80-10,292,780.40-2,605,290.40

Finding the Fourth Proportional to 6,866,768.80, 10,292,780.40 and 2,605,290.40

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Solution

The fourth proportional to 6,866,768.80, 10,292,780.40 and 2,605,290.40 is: 3,905,138.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866,768.80 : 10,292,780.40 = 2,605,290.40 : x
  2. Step 2: Convert to fraction form
    6,866,768.80/10,292,780.40 = 2,605,290.40/x
  3. Step 3: Cross multiply
    6,866,768.80x = 10,292,780.40 × 2,605,290.40
  4. Step 4: Simplify right side
    6,866,768.80x = 26,815,681,965,428.16
  5. Step 5: Solve for x
    x = 26,815,681,965,428.16/6,866,768.80
  6. Step 6: Final answer
    x = 3,905,138.32

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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.