Home / 2,237,351.78-3,087,529.70-1,218,756.54

Finding the Fourth Proportional to 2,237,351.78, 3,087,529.70 and 1,218,756.54

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Solution

The fourth proportional to 2,237,351.78, 3,087,529.70 and 1,218,756.54 is: 1,681,875.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237,351.78 : 3,087,529.70 = 1,218,756.54 : x
  2. Step 2: Convert to fraction form
    2,237,351.78/3,087,529.70 = 1,218,756.54/x
  3. Step 3: Cross multiply
    2,237,351.78x = 3,087,529.70 × 1,218,756.54
  4. Step 4: Simplify right side
    2,237,351.78x = 3,762,947,014,319.24
  5. Step 5: Solve for x
    x = 3,762,947,014,319.24/2,237,351.78
  6. Step 6: Final answer
    x = 1,681,875.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.