Home / 1,726,053.71-2,381,078.63-1,317,446.17

Finding the Fourth Proportional to 1,726,053.71, 2,381,078.63 and 1,317,446.17

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Solution

The fourth proportional to 1,726,053.71, 2,381,078.63 and 1,317,446.17 is: 1,817,407.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726,053.71 : 2,381,078.63 = 1,317,446.17 : x
  2. Step 2: Convert to fraction form
    1,726,053.71/2,381,078.63 = 1,317,446.17/x
  3. Step 3: Cross multiply
    1,726,053.71x = 2,381,078.63 × 1,317,446.17
  4. Step 4: Simplify right side
    1,726,053.71x = 3,136,942,918,903.27
  5. Step 5: Solve for x
    x = 3,136,942,918,903.27/1,726,053.71
  6. Step 6: Final answer
    x = 1,817,407.48

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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.