Home / 1,977,709.68-2,961,726.12-1,786,017.06

Finding the Fourth Proportional to 1,977,709.68, 2,961,726.12 and 1,786,017.06

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Solution

The fourth proportional to 1,977,709.68, 2,961,726.12 and 1,786,017.06 is: 2,674,656.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,709.68 : 2,961,726.12 = 1,786,017.06 : x
  2. Step 2: Convert to fraction form
    1,977,709.68/2,961,726.12 = 1,786,017.06/x
  3. Step 3: Cross multiply
    1,977,709.68x = 2,961,726.12 × 1,786,017.06
  4. Step 4: Simplify right side
    1,977,709.68x = 5,289,693,377,367.61
  5. Step 5: Solve for x
    x = 5,289,693,377,367.61/1,977,709.68
  6. Step 6: Final answer
    x = 2,674,656.16

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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.