Home / 2,021,315.70-3,031,973.55-1,179,434.10

Finding the Fourth Proportional to 2,021,315.70, 3,031,973.55 and 1,179,434.10

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Solution

The fourth proportional to 2,021,315.70, 3,031,973.55 and 1,179,434.10 is: 1,769,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,315.70 : 3,031,973.55 = 1,179,434.10 : x
  2. Step 2: Convert to fraction form
    2,021,315.70/3,031,973.55 = 1,179,434.10/x
  3. Step 3: Cross multiply
    2,021,315.70x = 3,031,973.55 × 1,179,434.10
  4. Step 4: Simplify right side
    2,021,315.70x = 3,576,012,995,168.06
  5. Step 5: Solve for x
    x = 3,576,012,995,168.06/2,021,315.70
  6. Step 6: Final answer
    x = 1,769,151.15

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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.