Home / 1,938,426.12-2,893,123.44-1,810,880.28

Finding the Fourth Proportional to 1,938,426.12, 2,893,123.44 and 1,810,880.28

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Solution

The fourth proportional to 1,938,426.12, 2,893,123.44 and 1,810,880.28 is: 2,702,759.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,426.12 : 2,893,123.44 = 1,810,880.28 : x
  2. Step 2: Convert to fraction form
    1,938,426.12/2,893,123.44 = 1,810,880.28/x
  3. Step 3: Cross multiply
    1,938,426.12x = 2,893,123.44 × 1,810,880.28
  4. Step 4: Simplify right side
    1,938,426.12x = 5,239,100,185,101.76
  5. Step 5: Solve for x
    x = 5,239,100,185,101.76/1,938,426.12
  6. Step 6: Final answer
    x = 2,702,759.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.