Home / 4,788,605.20-7,182,907.80-2,993,515.60

Finding the Fourth Proportional to 4,788,605.20, 7,182,907.80 and 2,993,515.60

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Solution

The fourth proportional to 4,788,605.20, 7,182,907.80 and 2,993,515.60 is: 4,490,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788,605.20 : 7,182,907.80 = 2,993,515.60 : x
  2. Step 2: Convert to fraction form
    4,788,605.20/7,182,907.80 = 2,993,515.60/x
  3. Step 3: Cross multiply
    4,788,605.20x = 7,182,907.80 × 2,993,515.60
  4. Step 4: Simplify right side
    4,788,605.20x = 21,502,146,552,661.68
  5. Step 5: Solve for x
    x = 21,502,146,552,661.68/4,788,605.20
  6. Step 6: Final answer
    x = 4,490,273.40

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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.