Home / 5,203,556.72-7,808,666.61-2,809,068.74

Finding the Fourth Proportional to 5,203,556.72, 7,808,666.61 and 2,809,068.74

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Solution

The fourth proportional to 5,203,556.72, 7,808,666.61 and 2,809,068.74 is: 4,215,401.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203,556.72 : 7,808,666.61 = 2,809,068.74 : x
  2. Step 2: Convert to fraction form
    5,203,556.72/7,808,666.61 = 2,809,068.74/x
  3. Step 3: Cross multiply
    5,203,556.72x = 7,808,666.61 × 2,809,068.74
  4. Step 4: Simplify right side
    5,203,556.72x = 21,935,081,275,232.77
  5. Step 5: Solve for x
    x = 21,935,081,275,232.77/5,203,556.72
  6. Step 6: Final answer
    x = 4,215,401.59

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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.