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Finding the Fourth Proportional to 6,566,804.40, 9,850,206.60 and 1,775,233.20

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Solution

The fourth proportional to 6,566,804.40, 9,850,206.60 and 1,775,233.20 is: 2,662,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,566,804.40 : 9,850,206.60 = 1,775,233.20 : x
  2. Step 2: Convert to fraction form
    6,566,804.40/9,850,206.60 = 1,775,233.20/x
  3. Step 3: Cross multiply
    6,566,804.40x = 9,850,206.60 × 1,775,233.20
  4. Step 4: Simplify right side
    6,566,804.40x = 17,486,413,783,179.12
  5. Step 5: Solve for x
    x = 17,486,413,783,179.12/6,566,804.40
  6. Step 6: Final answer
    x = 2,662,849.80

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Similar ratio
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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.