Home / 4,687,699.68-7,031,824.12-1,809,081.59

Finding the Fourth Proportional to 4,687,699.68, 7,031,824.12 and 1,809,081.59

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Solution

The fourth proportional to 4,687,699.68, 7,031,824.12 and 1,809,081.59 is: 2,713,728.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687,699.68 : 7,031,824.12 = 1,809,081.59 : x
  2. Step 2: Convert to fraction form
    4,687,699.68/7,031,824.12 = 1,809,081.59/x
  3. Step 3: Cross multiply
    4,687,699.68x = 7,031,824.12 × 1,809,081.59
  4. Step 4: Simplify right side
    4,687,699.68x = 12,721,143,516,536.10
  5. Step 5: Solve for x
    x = 12,721,143,516,536.10/4,687,699.68
  6. Step 6: Final answer
    x = 2,713,728.35

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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.