Home / 3,074,003.70-4,611,005.55-2,985,430.20

Finding the Fourth Proportional to 3,074,003.70, 4,611,005.55 and 2,985,430.20

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Solution

The fourth proportional to 3,074,003.70, 4,611,005.55 and 2,985,430.20 is: 4,478,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074,003.70 : 4,611,005.55 = 2,985,430.20 : x
  2. Step 2: Convert to fraction form
    3,074,003.70/4,611,005.55 = 2,985,430.20/x
  3. Step 3: Cross multiply
    3,074,003.70x = 4,611,005.55 × 2,985,430.20
  4. Step 4: Simplify right side
    3,074,003.70x = 13,765,835,221,337.61
  5. Step 5: Solve for x
    x = 13,765,835,221,337.61/3,074,003.70
  6. Step 6: Final answer
    x = 4,478,145.30

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Similar ratio
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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.