Home / 6,868,930.80-10,308,515.40-2,617,402.80

Finding the Fourth Proportional to 6,868,930.80, 10,308,515.40 and 2,617,402.80

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Solution

The fourth proportional to 6,868,930.80, 10,308,515.40 and 2,617,402.80 is: 3,928,054.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868,930.80 : 10,308,515.40 = 2,617,402.80 : x
  2. Step 2: Convert to fraction form
    6,868,930.80/10,308,515.40 = 2,617,402.80/x
  3. Step 3: Cross multiply
    6,868,930.80x = 10,308,515.40 × 2,617,402.80
  4. Step 4: Simplify right side
    6,868,930.80x = 26,981,537,071,803.12
  5. Step 5: Solve for x
    x = 26,981,537,071,803.12/6,868,930.80
  6. Step 6: Final answer
    x = 3,928,054.87

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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.