Home / 2,987,980.80-4,481,287.68-858,048

Finding the Fourth Proportional to 2,987,980.80, 4,481,287.68 and 858,048

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Solution

The fourth proportional to 2,987,980.80, 4,481,287.68 and 858,048 is: 1,286,875.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,980.80 : 4,481,287.68 = 858,048 : x
  2. Step 2: Convert to fraction form
    2,987,980.80/4,481,287.68 = 858,048/x
  3. Step 3: Cross multiply
    2,987,980.80x = 4,481,287.68 × 858,048
  4. Step 4: Simplify right side
    2,987,980.80x = 3,845,159,931,248.64
  5. Step 5: Solve for x
    x = 3,845,159,931,248.64/2,987,980.80
  6. Step 6: Final answer
    x = 1,286,875.72

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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.