Home / 2,227,678.47-3,074,199.35-1,209,083.31

Finding the Fourth Proportional to 2,227,678.47, 3,074,199.35 and 1,209,083.31

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Solution

The fourth proportional to 2,227,678.47, 3,074,199.35 and 1,209,083.31 is: 1,668,536.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227,678.47 : 3,074,199.35 = 1,209,083.31 : x
  2. Step 2: Convert to fraction form
    2,227,678.47/3,074,199.35 = 1,209,083.31/x
  3. Step 3: Cross multiply
    2,227,678.47x = 3,074,199.35 × 1,209,083.31
  4. Step 4: Simplify right side
    2,227,678.47x = 3,716,963,119,652.43
  5. Step 5: Solve for x
    x = 3,716,963,119,652.43/2,227,678.47
  6. Step 6: Final answer
    x = 1,668,536.63

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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.