Home / 4,872,235.20-7,308,352.80-1,326,379.20

Finding the Fourth Proportional to 4,872,235.20, 7,308,352.80 and 1,326,379.20

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Solution

The fourth proportional to 4,872,235.20, 7,308,352.80 and 1,326,379.20 is: 1,989,568.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872,235.20 : 7,308,352.80 = 1,326,379.20 : x
  2. Step 2: Convert to fraction form
    4,872,235.20/7,308,352.80 = 1,326,379.20/x
  3. Step 3: Cross multiply
    4,872,235.20x = 7,308,352.80 × 1,326,379.20
  4. Step 4: Simplify right side
    4,872,235.20x = 9,693,647,140,181.76
  5. Step 5: Solve for x
    x = 9,693,647,140,181.76/4,872,235.20
  6. Step 6: Final answer
    x = 1,989,568.80

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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.