Home / 1,640,179.95-2,261,437.43-1,348,773.15

Finding the Fourth Proportional to 1,640,179.95, 2,261,437.43 and 1,348,773.15

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Solution

The fourth proportional to 1,640,179.95, 2,261,437.43 and 1,348,773.15 is: 1,859,653.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,179.95 : 2,261,437.43 = 1,348,773.15 : x
  2. Step 2: Convert to fraction form
    1,640,179.95/2,261,437.43 = 1,348,773.15/x
  3. Step 3: Cross multiply
    1,640,179.95x = 2,261,437.43 × 1,348,773.15
  4. Step 4: Simplify right side
    1,640,179.95x = 3,050,166,079,245.14
  5. Step 5: Solve for x
    x = 3,050,166,079,245.14/1,640,179.95
  6. Step 6: Final answer
    x = 1,859,653.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.