Home / 3,916,173.30-5,404,412.34-2,197,420.94

Finding the Fourth Proportional to 3,916,173.30, 5,404,412.34 and 2,197,420.94

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Solution

The fourth proportional to 3,916,173.30, 5,404,412.34 and 2,197,420.94 is: 3,032,493.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916,173.30 : 5,404,412.34 = 2,197,420.94 : x
  2. Step 2: Convert to fraction form
    3,916,173.30/5,404,412.34 = 2,197,420.94/x
  3. Step 3: Cross multiply
    3,916,173.30x = 5,404,412.34 × 2,197,420.94
  4. Step 4: Simplify right side
    3,916,173.30x = 11,875,768,817,288.34
  5. Step 5: Solve for x
    x = 11,875,768,817,288.34/3,916,173.30
  6. Step 6: Final answer
    x = 3,032,493.18

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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.