Home / 5,181,036.40-7,772,137.80-1,586,774.80

Finding the Fourth Proportional to 5,181,036.40, 7,772,137.80 and 1,586,774.80

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Solution

The fourth proportional to 5,181,036.40, 7,772,137.80 and 1,586,774.80 is: 2,380,340.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,036.40 : 7,772,137.80 = 1,586,774.80 : x
  2. Step 2: Convert to fraction form
    5,181,036.40/7,772,137.80 = 1,586,774.80/x
  3. Step 3: Cross multiply
    5,181,036.40x = 7,772,137.80 × 1,586,774.80
  4. Step 4: Simplify right side
    5,181,036.40x = 12,332,632,403,167.44
  5. Step 5: Solve for x
    x = 12,332,632,403,167.44/5,181,036.40
  6. Step 6: Final answer
    x = 2,380,340.81

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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.