Home / 2,047,876.40-3,074,341.80-1,289,716.40

Finding the Fourth Proportional to 2,047,876.40, 3,074,341.80 and 1,289,716.40

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Solution

The fourth proportional to 2,047,876.40, 3,074,341.80 and 1,289,716.40 is: 1,936,166.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047,876.40 : 3,074,341.80 = 1,289,716.40 : x
  2. Step 2: Convert to fraction form
    2,047,876.40/3,074,341.80 = 1,289,716.40/x
  3. Step 3: Cross multiply
    2,047,876.40x = 3,074,341.80 × 1,289,716.40
  4. Step 4: Simplify right side
    2,047,876.40x = 3,965,029,038,665.52
  5. Step 5: Solve for x
    x = 3,965,029,038,665.52/2,047,876.40
  6. Step 6: Final answer
    x = 1,936,166.19

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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.