Home / 2,021,323.10-3,031,984.65-822,628.40

Finding the Fourth Proportional to 2,021,323.10, 3,031,984.65 and 822,628.40

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Solution

The fourth proportional to 2,021,323.10, 3,031,984.65 and 822,628.40 is: 1,233,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,323.10 : 3,031,984.65 = 822,628.40 : x
  2. Step 2: Convert to fraction form
    2,021,323.10/3,031,984.65 = 822,628.40/x
  3. Step 3: Cross multiply
    2,021,323.10x = 3,031,984.65 × 822,628.40
  4. Step 4: Simplify right side
    2,021,323.10x = 2,494,196,681,454.06
  5. Step 5: Solve for x
    x = 2,494,196,681,454.06/2,021,323.10
  6. Step 6: Final answer
    x = 1,233,942.60

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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.