Home / 4,821,861.60-7,230,164.40-1,455,631.20

Finding the Fourth Proportional to 4,821,861.60, 7,230,164.40 and 1,455,631.20

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Solution

The fourth proportional to 4,821,861.60, 7,230,164.40 and 1,455,631.20 is: 2,182,653.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821,861.60 : 7,230,164.40 = 1,455,631.20 : x
  2. Step 2: Convert to fraction form
    4,821,861.60/7,230,164.40 = 1,455,631.20/x
  3. Step 3: Cross multiply
    4,821,861.60x = 7,230,164.40 × 1,455,631.20
  4. Step 4: Simplify right side
    4,821,861.60x = 10,524,452,881,769.28
  5. Step 5: Solve for x
    x = 10,524,452,881,769.28/4,821,861.60
  6. Step 6: Final answer
    x = 2,182,653.46

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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.