Home / 5,112,870.74-7,055,756.34-2,821,031.18

Finding the Fourth Proportional to 5,112,870.74, 7,055,756.34 and 2,821,031.18

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Solution

The fourth proportional to 5,112,870.74, 7,055,756.34 and 2,821,031.18 is: 3,893,020.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,870.74 : 7,055,756.34 = 2,821,031.18 : x
  2. Step 2: Convert to fraction form
    5,112,870.74/7,055,756.34 = 2,821,031.18/x
  3. Step 3: Cross multiply
    5,112,870.74x = 7,055,756.34 × 2,821,031.18
  4. Step 4: Simplify right side
    5,112,870.74x = 19,904,508,633,622.68
  5. Step 5: Solve for x
    x = 19,904,508,633,622.68/5,112,870.74
  6. Step 6: Final answer
    x = 3,893,020.11

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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.