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Finding the Fourth Proportional to 5,798,412.42, 8,001,917.55 and 3,220,334.70

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Solution

The fourth proportional to 5,798,412.42, 8,001,917.55 and 3,220,334.70 is: 4,444,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,798,412.42 : 8,001,917.55 = 3,220,334.70 : x
  2. Step 2: Convert to fraction form
    5,798,412.42/8,001,917.55 = 3,220,334.70/x
  3. Step 3: Cross multiply
    5,798,412.42x = 8,001,917.55 × 3,220,334.70
  4. Step 4: Simplify right side
    5,798,412.42x = 25,768,852,752,803.98
  5. Step 5: Solve for x
    x = 25,768,852,752,803.98/5,798,412.42
  6. Step 6: Final answer
    x = 4,444,122.10

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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.