Home / 2,191,363.65-3,287,210.70-654,237.36

Finding the Fourth Proportional to 2,191,363.65, 3,287,210.70 and 654,237.36

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Solution

The fourth proportional to 2,191,363.65, 3,287,210.70 and 654,237.36 is: 981,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,363.65 : 3,287,210.70 = 654,237.36 : x
  2. Step 2: Convert to fraction form
    2,191,363.65/3,287,210.70 = 654,237.36/x
  3. Step 3: Cross multiply
    2,191,363.65x = 3,287,210.70 × 654,237.36
  4. Step 4: Simplify right side
    2,191,363.65x = 2,150,616,050,131.75
  5. Step 5: Solve for x
    x = 2,150,616,050,131.75/2,191,363.65
  6. Step 6: Final answer
    x = 981,405.37

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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.