Home / 3,785,058.71-5,223,313.82-2,153,430.96

Finding the Fourth Proportional to 3,785,058.71, 5,223,313.82 and 2,153,430.96

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Solution

The fourth proportional to 3,785,058.71, 5,223,313.82 and 2,153,430.96 is: 2,971,696.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785,058.71 : 5,223,313.82 = 2,153,430.96 : x
  2. Step 2: Convert to fraction form
    3,785,058.71/5,223,313.82 = 2,153,430.96/x
  3. Step 3: Cross multiply
    3,785,058.71x = 5,223,313.82 × 2,153,430.96
  4. Step 4: Simplify right side
    3,785,058.71x = 11,248,045,667,667.30
  5. Step 5: Solve for x
    x = 11,248,045,667,667.30/3,785,058.71
  6. Step 6: Final answer
    x = 2,971,696.49

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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.