Home / 3,938,185-5,434,700.16-2,127,349

Finding the Fourth Proportional to 3,938,185, 5,434,700.16 and 2,127,349

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Solution

The fourth proportional to 3,938,185, 5,434,700.16 and 2,127,349 is: 2,935,744.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,185 : 5,434,700.16 = 2,127,349 : x
  2. Step 2: Convert to fraction form
    3,938,185/5,434,700.16 = 2,127,349/x
  3. Step 3: Cross multiply
    3,938,185x = 5,434,700.16 × 2,127,349
  4. Step 4: Simplify right side
    3,938,185x = 11,561,503,950,675.84
  5. Step 5: Solve for x
    x = 11,561,503,950,675.84/3,938,185
  6. Step 6: Final answer
    x = 2,935,744.25

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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.