Home / 2,211,220.33-3,316,849.05-613,907.97

Finding the Fourth Proportional to 2,211,220.33, 3,316,849.05 and 613,907.97

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Solution

The fourth proportional to 2,211,220.33, 3,316,849.05 and 613,907.97 is: 920,867.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,220.33 : 3,316,849.05 = 613,907.97 : x
  2. Step 2: Convert to fraction form
    2,211,220.33/3,316,849.05 = 613,907.97/x
  3. Step 3: Cross multiply
    2,211,220.33x = 3,316,849.05 × 613,907.97
  4. Step 4: Simplify right side
    2,211,220.33x = 2,036,240,075,603.18
  5. Step 5: Solve for x
    x = 2,036,240,075,603.18/2,211,220.33
  6. Step 6: Final answer
    x = 920,867.11

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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.