Home / 4,697,998.20-7,046,997.30-2,808,430.20

Finding the Fourth Proportional to 4,697,998.20, 7,046,997.30 and 2,808,430.20

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Solution

The fourth proportional to 4,697,998.20, 7,046,997.30 and 2,808,430.20 is: 4,212,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,697,998.20 : 7,046,997.30 = 2,808,430.20 : x
  2. Step 2: Convert to fraction form
    4,697,998.20/7,046,997.30 = 2,808,430.20/x
  3. Step 3: Cross multiply
    4,697,998.20x = 7,046,997.30 × 2,808,430.20
  4. Step 4: Simplify right side
    4,697,998.20x = 19,791,000,036,638.46
  5. Step 5: Solve for x
    x = 19,791,000,036,638.46/4,697,998.20
  6. Step 6: Final answer
    x = 4,212,645.30

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Similar ratio
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1.5x scale

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.