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Finding the Fourth Proportional to 5,958,575.60, 8,927,365.80 and 4,887,820.40

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Solution

The fourth proportional to 5,958,575.60, 8,927,365.80 and 4,887,820.40 is: 7,323,119.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,958,575.60 : 8,927,365.80 = 4,887,820.40 : x
  2. Step 2: Convert to fraction form
    5,958,575.60/8,927,365.80 = 4,887,820.40/x
  3. Step 3: Cross multiply
    5,958,575.60x = 8,927,365.80 × 4,887,820.40
  4. Step 4: Simplify right side
    5,958,575.60x = 43,635,360,675,502.33
  5. Step 5: Solve for x
    x = 43,635,360,675,502.33/5,958,575.60
  6. Step 6: Final answer
    x = 7,323,119.42

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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.