Home / 1,927,787.85-2,890,862.06-789,763.77

Finding the Fourth Proportional to 1,927,787.85, 2,890,862.06 and 789,763.77

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Solution

The fourth proportional to 1,927,787.85, 2,890,862.06 and 789,763.77 is: 1,184,309.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,787.85 : 2,890,862.06 = 789,763.77 : x
  2. Step 2: Convert to fraction form
    1,927,787.85/2,890,862.06 = 789,763.77/x
  3. Step 3: Cross multiply
    1,927,787.85x = 2,890,862.06 × 789,763.77
  4. Step 4: Simplify right side
    1,927,787.85x = 2,283,098,115,106.75
  5. Step 5: Solve for x
    x = 2,283,098,115,106.75/1,927,787.85
  6. Step 6: Final answer
    x = 1,184,309.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.