Home / 5,115,509.76-7,059,404.16-2,823,670.92

Finding the Fourth Proportional to 5,115,509.76, 7,059,404.16 and 2,823,670.92

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Solution

The fourth proportional to 5,115,509.76, 7,059,404.16 and 2,823,670.92 is: 3,896,666.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115,509.76 : 7,059,404.16 = 2,823,670.92 : x
  2. Step 2: Convert to fraction form
    5,115,509.76/7,059,404.16 = 2,823,670.92/x
  3. Step 3: Cross multiply
    5,115,509.76x = 7,059,404.16 × 2,823,670.92
  4. Step 4: Simplify right side
    5,115,509.76x = 19,933,434,239,119.03
  5. Step 5: Solve for x
    x = 19,933,434,239,119.03/5,115,509.76
  6. Step 6: Final answer
    x = 3,896,666.25

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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.