Home / 4,809,965.20-7,214,948.64-1,215,742.48

Finding the Fourth Proportional to 4,809,965.20, 7,214,948.64 and 1,215,742.48

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Solution

The fourth proportional to 4,809,965.20, 7,214,948.64 and 1,215,742.48 is: 1,823,613.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809,965.20 : 7,214,948.64 = 1,215,742.48 : x
  2. Step 2: Convert to fraction form
    4,809,965.20/7,214,948.64 = 1,215,742.48/x
  3. Step 3: Cross multiply
    4,809,965.20x = 7,214,948.64 × 1,215,742.48
  4. Step 4: Simplify right side
    4,809,965.20x = 8,771,519,552,666.23
  5. Step 5: Solve for x
    x = 8,771,519,552,666.23/4,809,965.20
  6. Step 6: Final answer
    x = 1,823,613.93

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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.