Home / 2,689,155-4,034,991.39-1,341,421.74

Finding the Fourth Proportional to 2,689,155, 4,034,991.39 and 1,341,421.74

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Solution

The fourth proportional to 2,689,155, 4,034,991.39 and 1,341,421.74 is: 2,012,760.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,155 : 4,034,991.39 = 1,341,421.74 : x
  2. Step 2: Convert to fraction form
    2,689,155/4,034,991.39 = 1,341,421.74/x
  3. Step 3: Cross multiply
    2,689,155x = 4,034,991.39 × 1,341,421.74
  4. Step 4: Simplify right side
    2,689,155x = 5,412,625,171,258.82
  5. Step 5: Solve for x
    x = 5,412,625,171,258.82/2,689,155
  6. Step 6: Final answer
    x = 2,012,760.58

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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.