Home / 1,914,787.45-2,642,419.16-1,055,347.68

Finding the Fourth Proportional to 1,914,787.45, 2,642,419.16 and 1,055,347.68

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Solution

The fourth proportional to 1,914,787.45, 2,642,419.16 and 1,055,347.68 is: 1,456,386.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,787.45 : 2,642,419.16 = 1,055,347.68 : x
  2. Step 2: Convert to fraction form
    1,914,787.45/2,642,419.16 = 1,055,347.68/x
  3. Step 3: Cross multiply
    1,914,787.45x = 2,642,419.16 × 1,055,347.68
  4. Step 4: Simplify right side
    1,914,787.45x = 2,788,670,938,683.44
  5. Step 5: Solve for x
    x = 2,788,670,938,683.44/1,914,787.45
  6. Step 6: Final answer
    x = 1,456,386.68

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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.