Home / 3,221,123.63-4,445,235.49-1,770,855.59

Finding the Fourth Proportional to 3,221,123.63, 4,445,235.49 and 1,770,855.59

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Solution

The fourth proportional to 3,221,123.63, 4,445,235.49 and 1,770,855.59 is: 2,443,827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,123.63 : 4,445,235.49 = 1,770,855.59 : x
  2. Step 2: Convert to fraction form
    3,221,123.63/4,445,235.49 = 1,770,855.59/x
  3. Step 3: Cross multiply
    3,221,123.63x = 4,445,235.49 × 1,770,855.59
  4. Step 4: Simplify right side
    3,221,123.63x = 7,871,870,111,346.79
  5. Step 5: Solve for x
    x = 7,871,870,111,346.79/3,221,123.63
  6. Step 6: Final answer
    x = 2,443,827.37

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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.