Home / 1,961,292.41-2,706,802.68-1,187,349.69

Finding the Fourth Proportional to 1,961,292.41, 2,706,802.68 and 1,187,349.69

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Solution

The fourth proportional to 1,961,292.41, 2,706,802.68 and 1,187,349.69 is: 1,638,675.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,292.41 : 2,706,802.68 = 1,187,349.69 : x
  2. Step 2: Convert to fraction form
    1,961,292.41/2,706,802.68 = 1,187,349.69/x
  3. Step 3: Cross multiply
    1,961,292.41x = 2,706,802.68 × 1,187,349.69
  4. Step 4: Simplify right side
    1,961,292.41x = 3,213,921,322,989.17
  5. Step 5: Solve for x
    x = 3,213,921,322,989.17/1,961,292.41
  6. Step 6: Final answer
    x = 1,638,675.25

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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.