Home / 2,316,389.66-3,196,809.24-1,284,221.34

Finding the Fourth Proportional to 2,316,389.66, 3,196,809.24 and 1,284,221.34

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Solution

The fourth proportional to 2,316,389.66, 3,196,809.24 and 1,284,221.34 is: 1,772,331.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316,389.66 : 3,196,809.24 = 1,284,221.34 : x
  2. Step 2: Convert to fraction form
    2,316,389.66/3,196,809.24 = 1,284,221.34/x
  3. Step 3: Cross multiply
    2,316,389.66x = 3,196,809.24 × 1,284,221.34
  4. Step 4: Simplify right side
    2,316,389.66x = 4,105,410,645,917.18
  5. Step 5: Solve for x
    x = 4,105,410,645,917.18/2,316,389.66
  6. Step 6: Final answer
    x = 1,772,331.63

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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.