Home / 1,815,508.47-2,505,401.69-999,710.22

Finding the Fourth Proportional to 1,815,508.47, 2,505,401.69 and 999,710.22

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Solution

The fourth proportional to 1,815,508.47, 2,505,401.69 and 999,710.22 is: 1,379,600.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,508.47 : 2,505,401.69 = 999,710.22 : x
  2. Step 2: Convert to fraction form
    1,815,508.47/2,505,401.69 = 999,710.22/x
  3. Step 3: Cross multiply
    1,815,508.47x = 2,505,401.69 × 999,710.22
  4. Step 4: Simplify right side
    1,815,508.47x = 2,504,675,666,043.41
  5. Step 5: Solve for x
    x = 2,504,675,666,043.41/1,815,508.47
  6. Step 6: Final answer
    x = 1,379,600.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.