Home / 3,891,909.84-5,371,167.69-2,173,362.51

Finding the Fourth Proportional to 3,891,909.84, 5,371,167.69 and 2,173,362.51

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Solution

The fourth proportional to 3,891,909.84, 5,371,167.69 and 2,173,362.51 is: 2,999,425.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891,909.84 : 5,371,167.69 = 2,173,362.51 : x
  2. Step 2: Convert to fraction form
    3,891,909.84/5,371,167.69 = 2,173,362.51/x
  3. Step 3: Cross multiply
    3,891,909.84x = 5,371,167.69 × 2,173,362.51
  4. Step 4: Simplify right side
    3,891,909.84x = 11,673,494,492,369.30
  5. Step 5: Solve for x
    x = 11,673,494,492,369.30/3,891,909.84
  6. Step 6: Final answer
    x = 2,999,425.72

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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.