Home / 1,640,365.80-2,460,548.70-1,374,645.30

Finding the Fourth Proportional to 1,640,365.80, 2,460,548.70 and 1,374,645.30

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Solution

The fourth proportional to 1,640,365.80, 2,460,548.70 and 1,374,645.30 is: 2,061,967.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,365.80 : 2,460,548.70 = 1,374,645.30 : x
  2. Step 2: Convert to fraction form
    1,640,365.80/2,460,548.70 = 1,374,645.30/x
  3. Step 3: Cross multiply
    1,640,365.80x = 2,460,548.70 × 1,374,645.30
  4. Step 4: Simplify right side
    1,640,365.80x = 3,382,381,705,876.11
  5. Step 5: Solve for x
    x = 3,382,381,705,876.11/1,640,365.80
  6. Step 6: Final answer
    x = 2,061,967.95

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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.