Home / 2,189,420.04-3,285,076.18-1,177,359.08

Finding the Fourth Proportional to 2,189,420.04, 3,285,076.18 and 1,177,359.08

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Solution

The fourth proportional to 2,189,420.04, 3,285,076.18 and 1,177,359.08 is: 1,766,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,420.04 : 3,285,076.18 = 1,177,359.08 : x
  2. Step 2: Convert to fraction form
    2,189,420.04/3,285,076.18 = 1,177,359.08/x
  3. Step 3: Cross multiply
    2,189,420.04x = 3,285,076.18 × 1,177,359.08
  4. Step 4: Simplify right side
    2,189,420.04x = 3,867,714,269,014.72
  5. Step 5: Solve for x
    x = 3,867,714,269,014.72/2,189,420.04
  6. Step 6: Final answer
    x = 1,766,547.40

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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.