Home / 3,780,747.63-5,217,224.34-2,148,928.50

Finding the Fourth Proportional to 3,780,747.63, 5,217,224.34 and 2,148,928.50

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Solution

The fourth proportional to 3,780,747.63, 5,217,224.34 and 2,148,928.50 is: 2,965,403.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,747.63 : 5,217,224.34 = 2,148,928.50 : x
  2. Step 2: Convert to fraction form
    3,780,747.63/5,217,224.34 = 2,148,928.50/x
  3. Step 3: Cross multiply
    3,780,747.63x = 5,217,224.34 × 2,148,928.50
  4. Step 4: Simplify right side
    3,780,747.63x = 11,211,442,075,119.69
  5. Step 5: Solve for x
    x = 11,211,442,075,119.69/3,780,747.63
  6. Step 6: Final answer
    x = 2,965,403.45

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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.