Home / 3,109,815.16-4,291,371.40-1,714,331.76

Finding the Fourth Proportional to 3,109,815.16, 4,291,371.40 and 1,714,331.76

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Solution

The fourth proportional to 3,109,815.16, 4,291,371.40 and 1,714,331.76 is: 2,365,682.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,815.16 : 4,291,371.40 = 1,714,331.76 : x
  2. Step 2: Convert to fraction form
    3,109,815.16/4,291,371.40 = 1,714,331.76/x
  3. Step 3: Cross multiply
    3,109,815.16x = 4,291,371.40 × 1,714,331.76
  4. Step 4: Simplify right side
    3,109,815.16x = 7,356,834,284,975.67
  5. Step 5: Solve for x
    x = 7,356,834,284,975.67/3,109,815.16
  6. Step 6: Final answer
    x = 2,365,682.17

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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.