Home / 2,127,389.36-3,191,059.41-611,109.45

Finding the Fourth Proportional to 2,127,389.36, 3,191,059.41 and 611,109.45

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Solution

The fourth proportional to 2,127,389.36, 3,191,059.41 and 611,109.45 is: 916,657.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,389.36 : 3,191,059.41 = 611,109.45 : x
  2. Step 2: Convert to fraction form
    2,127,389.36/3,191,059.41 = 611,109.45/x
  3. Step 3: Cross multiply
    2,127,389.36x = 3,191,059.41 × 611,109.45
  4. Step 4: Simplify right side
    2,127,389.36x = 1,950,086,560,962.42
  5. Step 5: Solve for x
    x = 1,950,086,560,962.42/2,127,389.36
  6. Step 6: Final answer
    x = 916,657.10

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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.