Home / 4,215,721.14-5,817,698.64-2,281,975.74

Finding the Fourth Proportional to 4,215,721.14, 5,817,698.64 and 2,281,975.74

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Solution

The fourth proportional to 4,215,721.14, 5,817,698.64 and 2,281,975.74 is: 3,149,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215,721.14 : 5,817,698.64 = 2,281,975.74 : x
  2. Step 2: Convert to fraction form
    4,215,721.14/5,817,698.64 = 2,281,975.74/x
  3. Step 3: Cross multiply
    4,215,721.14x = 5,817,698.64 × 2,281,975.74
  4. Step 4: Simplify right side
    4,215,721.14x = 13,275,847,159,110.99
  5. Step 5: Solve for x
    x = 13,275,847,159,110.99/4,215,721.14
  6. Step 6: Final answer
    x = 3,149,128.40

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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.