Home / 2,398,409.05-3,309,813.09-1,310,680.78

Finding the Fourth Proportional to 2,398,409.05, 3,309,813.09 and 1,310,680.78

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Solution

The fourth proportional to 2,398,409.05, 3,309,813.09 and 1,310,680.78 is: 1,808,744.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398,409.05 : 3,309,813.09 = 1,310,680.78 : x
  2. Step 2: Convert to fraction form
    2,398,409.05/3,309,813.09 = 1,310,680.78/x
  3. Step 3: Cross multiply
    2,398,409.05x = 3,309,813.09 × 1,310,680.78
  4. Step 4: Simplify right side
    2,398,409.05x = 4,338,108,402,455.41
  5. Step 5: Solve for x
    x = 4,338,108,402,455.41/2,398,409.05
  6. Step 6: Final answer
    x = 1,808,744.18

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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.