Home / 3,219,721.77-4,443,123.47-1,769,415.46

Finding the Fourth Proportional to 3,219,721.77, 4,443,123.47 and 1,769,415.46

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Solution

The fourth proportional to 3,219,721.77, 4,443,123.47 and 1,769,415.46 is: 2,441,742.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,721.77 : 4,443,123.47 = 1,769,415.46 : x
  2. Step 2: Convert to fraction form
    3,219,721.77/4,443,123.47 = 1,769,415.46/x
  3. Step 3: Cross multiply
    3,219,721.77x = 4,443,123.47 × 1,769,415.46
  4. Step 4: Simplify right side
    3,219,721.77x = 7,861,731,358,506.85
  5. Step 5: Solve for x
    x = 7,861,731,358,506.85/3,219,721.77
  6. Step 6: Final answer
    x = 2,441,742.46

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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.