Home / 3,644,126.66-5,028,894.83-2,116,332.20

Finding the Fourth Proportional to 3,644,126.66, 5,028,894.83 and 2,116,332.20

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Solution

The fourth proportional to 3,644,126.66, 5,028,894.83 and 2,116,332.20 is: 2,920,538.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644,126.66 : 5,028,894.83 = 2,116,332.20 : x
  2. Step 2: Convert to fraction form
    3,644,126.66/5,028,894.83 = 2,116,332.20/x
  3. Step 3: Cross multiply
    3,644,126.66x = 5,028,894.83 × 2,116,332.20
  4. Step 4: Simplify right side
    3,644,126.66x = 10,642,812,023,416.39
  5. Step 5: Solve for x
    x = 10,642,812,023,416.39/3,644,126.66
  6. Step 6: Final answer
    x = 2,920,538.45

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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.