Home / 3,012,551.39-4,155,783.68-1,923,678.11

Finding the Fourth Proportional to 3,012,551.39, 4,155,783.68 and 1,923,678.11

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Solution

The fourth proportional to 3,012,551.39, 4,155,783.68 and 1,923,678.11 is: 2,653,694.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,551.39 : 4,155,783.68 = 1,923,678.11 : x
  2. Step 2: Convert to fraction form
    3,012,551.39/4,155,783.68 = 1,923,678.11/x
  3. Step 3: Cross multiply
    3,012,551.39x = 4,155,783.68 × 1,923,678.11
  4. Step 4: Simplify right side
    3,012,551.39x = 7,994,390,110,309.90
  5. Step 5: Solve for x
    x = 7,994,390,110,309.90/3,012,551.39
  6. Step 6: Final answer
    x = 2,653,694.18

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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.