Home / 2,109,132.40-3,163,846.16-846,960

Finding the Fourth Proportional to 2,109,132.40, 3,163,846.16 and 846,960

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Solution

The fourth proportional to 2,109,132.40, 3,163,846.16 and 846,960 is: 1,270,499.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,132.40 : 3,163,846.16 = 846,960 : x
  2. Step 2: Convert to fraction form
    2,109,132.40/3,163,846.16 = 846,960/x
  3. Step 3: Cross multiply
    2,109,132.40x = 3,163,846.16 × 846,960
  4. Step 4: Simplify right side
    2,109,132.40x = 2,679,651,143,673.60
  5. Step 5: Solve for x
    x = 2,679,651,143,673.60/2,109,132.40
  6. Step 6: Final answer
    x = 1,270,499.26

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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.