Home / 2,927,191.98-4,391,206.23-905,608.45

Finding the Fourth Proportional to 2,927,191.98, 4,391,206.23 and 905,608.45

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Solution

The fourth proportional to 2,927,191.98, 4,391,206.23 and 905,608.45 is: 1,358,542.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,191.98 : 4,391,206.23 = 905,608.45 : x
  2. Step 2: Convert to fraction form
    2,927,191.98/4,391,206.23 = 905,608.45/x
  3. Step 3: Cross multiply
    2,927,191.98x = 4,391,206.23 × 905,608.45
  4. Step 4: Simplify right side
    2,927,191.98x = 3,976,713,467,580.64
  5. Step 5: Solve for x
    x = 3,976,713,467,580.64/2,927,191.98
  6. Step 6: Final answer
    x = 1,358,542.08

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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.