Home / 4,724,010.60-7,086,015.90-2,808,004.20

Finding the Fourth Proportional to 4,724,010.60, 7,086,015.90 and 2,808,004.20

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Solution

The fourth proportional to 4,724,010.60, 7,086,015.90 and 2,808,004.20 is: 4,212,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724,010.60 : 7,086,015.90 = 2,808,004.20 : x
  2. Step 2: Convert to fraction form
    4,724,010.60/7,086,015.90 = 2,808,004.20/x
  3. Step 3: Cross multiply
    4,724,010.60x = 7,086,015.90 × 2,808,004.20
  4. Step 4: Simplify right side
    4,724,010.60x = 19,897,562,408,466.78
  5. Step 5: Solve for x
    x = 19,897,562,408,466.78/4,724,010.60
  6. Step 6: Final answer
    x = 4,212,006.30

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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.