Home / 2,987,114.10-4,480,671.15-992,570.10

Finding the Fourth Proportional to 2,987,114.10, 4,480,671.15 and 992,570.10

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Solution

The fourth proportional to 2,987,114.10, 4,480,671.15 and 992,570.10 is: 1,488,855.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,114.10 : 4,480,671.15 = 992,570.10 : x
  2. Step 2: Convert to fraction form
    2,987,114.10/4,480,671.15 = 992,570.10/x
  3. Step 3: Cross multiply
    2,987,114.10x = 4,480,671.15 × 992,570.10
  4. Step 4: Simplify right side
    2,987,114.10x = 4,447,380,211,422.62
  5. Step 5: Solve for x
    x = 4,447,380,211,422.62/2,987,114.10
  6. Step 6: Final answer
    x = 1,488,855.15

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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.