Home / 4,345,103.40-6,519,987.90-1,821,013.80

Finding the Fourth Proportional to 4,345,103.40, 6,519,987.90 and 1,821,013.80

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Solution

The fourth proportional to 4,345,103.40, 6,519,987.90 and 1,821,013.80 is: 2,732,498.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345,103.40 : 6,519,987.90 = 1,821,013.80 : x
  2. Step 2: Convert to fraction form
    4,345,103.40/6,519,987.90 = 1,821,013.80/x
  3. Step 3: Cross multiply
    4,345,103.40x = 6,519,987.90 × 1,821,013.80
  4. Step 4: Simplify right side
    4,345,103.40x = 11,872,987,941,733.02
  5. Step 5: Solve for x
    x = 11,872,987,941,733.02/4,345,103.40
  6. Step 6: Final answer
    x = 2,732,498.37

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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.