Home / 1,982,611.21-2,735,914.31-1,123,153.93

Finding the Fourth Proportional to 1,982,611.21, 2,735,914.31 and 1,123,153.93

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Solution

The fourth proportional to 1,982,611.21, 2,735,914.31 and 1,123,153.93 is: 1,549,901.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,611.21 : 2,735,914.31 = 1,123,153.93 : x
  2. Step 2: Convert to fraction form
    1,982,611.21/2,735,914.31 = 1,123,153.93/x
  3. Step 3: Cross multiply
    1,982,611.21x = 2,735,914.31 × 1,123,153.93
  4. Step 4: Simplify right side
    1,982,611.21x = 3,072,852,903,803.97
  5. Step 5: Solve for x
    x = 3,072,852,903,803.97/1,982,611.21
  6. Step 6: Final answer
    x = 1,549,901.91

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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.