Home / 1,977,960.80-2,967,427.20-557,998.40

Finding the Fourth Proportional to 1,977,960.80, 2,967,427.20 and 557,998.40

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Solution

The fourth proportional to 1,977,960.80, 2,967,427.20 and 557,998.40 is: 837,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,960.80 : 2,967,427.20 = 557,998.40 : x
  2. Step 2: Convert to fraction form
    1,977,960.80/2,967,427.20 = 557,998.40/x
  3. Step 3: Cross multiply
    1,977,960.80x = 2,967,427.20 × 557,998.40
  4. Step 4: Simplify right side
    1,977,960.80x = 1,655,819,629,716.48
  5. Step 5: Solve for x
    x = 1,655,819,629,716.48/1,977,960.80
  6. Step 6: Final answer
    x = 837,134.70

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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.