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Finding the Fourth Proportional to 5,959,054.32, 8,938,663.80 and 1,699,221.80

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Solution

The fourth proportional to 5,959,054.32, 8,938,663.80 and 1,699,221.80 is: 2,548,856.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,959,054.32 : 8,938,663.80 = 1,699,221.80 : x
  2. Step 2: Convert to fraction form
    5,959,054.32/8,938,663.80 = 1,699,221.80/x
  3. Step 3: Cross multiply
    5,959,054.32x = 8,938,663.80 × 1,699,221.80
  4. Step 4: Simplify right side
    5,959,054.32x = 15,188,772,391,830.84
  5. Step 5: Solve for x
    x = 15,188,772,391,830.84/5,959,054.32
  6. Step 6: Final answer
    x = 2,548,856.17

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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.