Home / 5,188,721.84-7,159,964.91-2,896,460.72

Finding the Fourth Proportional to 5,188,721.84, 7,159,964.91 and 2,896,460.72

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Solution

The fourth proportional to 5,188,721.84, 7,159,964.91 and 2,896,460.72 is: 3,996,852.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,721.84 : 7,159,964.91 = 2,896,460.72 : x
  2. Step 2: Convert to fraction form
    5,188,721.84/7,159,964.91 = 2,896,460.72/x
  3. Step 3: Cross multiply
    5,188,721.84x = 7,159,964.91 × 2,896,460.72
  4. Step 4: Simplify right side
    5,188,721.84x = 20,738,557,082,593.51
  5. Step 5: Solve for x
    x = 20,738,557,082,593.51/5,188,721.84
  6. Step 6: Final answer
    x = 3,996,852.74

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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.