Home / 2,195,921.14-3,289,084.43-912,637.83

Finding the Fourth Proportional to 2,195,921.14, 3,289,084.43 and 912,637.83

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Solution

The fourth proportional to 2,195,921.14, 3,289,084.43 and 912,637.83 is: 1,366,962.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,921.14 : 3,289,084.43 = 912,637.83 : x
  2. Step 2: Convert to fraction form
    2,195,921.14/3,289,084.43 = 912,637.83/x
  3. Step 3: Cross multiply
    2,195,921.14x = 3,289,084.43 × 912,637.83
  4. Step 4: Simplify right side
    2,195,921.14x = 3,001,742,889,786.45
  5. Step 5: Solve for x
    x = 3,001,742,889,786.45/2,195,921.14
  6. Step 6: Final answer
    x = 1,366,962.97

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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.