Home / 4,074,007.80-6,111,011.70-1,378,420.95

Finding the Fourth Proportional to 4,074,007.80, 6,111,011.70 and 1,378,420.95

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Solution

The fourth proportional to 4,074,007.80, 6,111,011.70 and 1,378,420.95 is: 2,067,631.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074,007.80 : 6,111,011.70 = 1,378,420.95 : x
  2. Step 2: Convert to fraction form
    4,074,007.80/6,111,011.70 = 1,378,420.95/x
  3. Step 3: Cross multiply
    4,074,007.80x = 6,111,011.70 × 1,378,420.95
  4. Step 4: Simplify right side
    4,074,007.80x = 8,423,546,552,975.12
  5. Step 5: Solve for x
    x = 8,423,546,552,975.12/4,074,007.80
  6. Step 6: Final answer
    x = 2,067,631.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.