Home / 2,145,881.83-3,218,692.41-761,084.36

Finding the Fourth Proportional to 2,145,881.83, 3,218,692.41 and 761,084.36

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Solution

The fourth proportional to 2,145,881.83, 3,218,692.41 and 761,084.36 is: 1,141,580.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,881.83 : 3,218,692.41 = 761,084.36 : x
  2. Step 2: Convert to fraction form
    2,145,881.83/3,218,692.41 = 761,084.36/x
  3. Step 3: Cross multiply
    2,145,881.83x = 3,218,692.41 × 761,084.36
  4. Step 4: Simplify right side
    2,145,881.83x = 2,449,696,460,948.44
  5. Step 5: Solve for x
    x = 2,449,696,460,948.44/2,145,881.83
  6. Step 6: Final answer
    x = 1,141,580.32

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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.