Home / 2,021,314.10-3,031,971.15-822,619.40

Finding the Fourth Proportional to 2,021,314.10, 3,031,971.15 and 822,619.40

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Solution

The fourth proportional to 2,021,314.10, 3,031,971.15 and 822,619.40 is: 1,233,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,314.10 : 3,031,971.15 = 822,619.40 : x
  2. Step 2: Convert to fraction form
    2,021,314.10/3,031,971.15 = 822,619.40/x
  3. Step 3: Cross multiply
    2,021,314.10x = 3,031,971.15 × 822,619.40
  4. Step 4: Simplify right side
    2,021,314.10x = 2,494,158,288,230.31
  5. Step 5: Solve for x
    x = 2,494,158,288,230.31/2,021,314.10
  6. Step 6: Final answer
    x = 1,233,929.10

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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.