Home / 5,124,705.30-7,690,010.40-1,932,122.70

Finding the Fourth Proportional to 5,124,705.30, 7,690,010.40 and 1,932,122.70

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Solution

The fourth proportional to 5,124,705.30, 7,690,010.40 and 1,932,122.70 is: 2,899,297.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124,705.30 : 7,690,010.40 = 1,932,122.70 : x
  2. Step 2: Convert to fraction form
    5,124,705.30/7,690,010.40 = 1,932,122.70/x
  3. Step 3: Cross multiply
    5,124,705.30x = 7,690,010.40 × 1,932,122.70
  4. Step 4: Simplify right side
    5,124,705.30x = 14,858,043,657,076.08
  5. Step 5: Solve for x
    x = 14,858,043,657,076.08/5,124,705.30
  6. Step 6: Final answer
    x = 2,899,297.19

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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.