Home / 2,639,857.11-3,642,476.29-1,606,672.87

Finding the Fourth Proportional to 2,639,857.11, 3,642,476.29 and 1,606,672.87

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Solution

The fourth proportional to 2,639,857.11, 3,642,476.29 and 1,606,672.87 is: 2,216,888.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,857.11 : 3,642,476.29 = 1,606,672.87 : x
  2. Step 2: Convert to fraction form
    2,639,857.11/3,642,476.29 = 1,606,672.87/x
  3. Step 3: Cross multiply
    2,639,857.11x = 3,642,476.29 × 1,606,672.87
  4. Step 4: Simplify right side
    2,639,857.11x = 5,852,267,830,675.91
  5. Step 5: Solve for x
    x = 5,852,267,830,675.91/2,639,857.11
  6. Step 6: Final answer
    x = 2,216,888.11

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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.