Home / 3,840,719.42-5,300,345.22-2,209,125.08

Finding the Fourth Proportional to 3,840,719.42, 5,300,345.22 and 2,209,125.08

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Solution

The fourth proportional to 3,840,719.42, 5,300,345.22 and 2,209,125.08 is: 3,048,680.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,719.42 : 5,300,345.22 = 2,209,125.08 : x
  2. Step 2: Convert to fraction form
    3,840,719.42/5,300,345.22 = 2,209,125.08/x
  3. Step 3: Cross multiply
    3,840,719.42x = 5,300,345.22 × 2,209,125.08
  4. Step 4: Simplify right side
    3,840,719.42x = 11,709,125,558,160.12
  5. Step 5: Solve for x
    x = 11,709,125,558,160.12/3,840,719.42
  6. Step 6: Final answer
    x = 3,048,680.28

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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.