Home / 5,111,699.68-7,054,106.16-2,819,956.96

Finding the Fourth Proportional to 5,111,699.68, 7,054,106.16 and 2,819,956.96

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Solution

The fourth proportional to 5,111,699.68, 7,054,106.16 and 2,819,956.96 is: 3,891,518.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111,699.68 : 7,054,106.16 = 2,819,956.96 : x
  2. Step 2: Convert to fraction form
    5,111,699.68/7,054,106.16 = 2,819,956.96/x
  3. Step 3: Cross multiply
    5,111,699.68x = 7,054,106.16 × 2,819,956.96
  4. Step 4: Simplify right side
    5,111,699.68x = 19,892,275,762,470.88
  5. Step 5: Solve for x
    x = 19,892,275,762,470.88/5,111,699.68
  6. Step 6: Final answer
    x = 3,891,518.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.