Home / 4,160,680.16-6,240,382.80-1,320,424.16

Finding the Fourth Proportional to 4,160,680.16, 6,240,382.80 and 1,320,424.16

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Solution

The fourth proportional to 4,160,680.16, 6,240,382.80 and 1,320,424.16 is: 1,980,433.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160,680.16 : 6,240,382.80 = 1,320,424.16 : x
  2. Step 2: Convert to fraction form
    4,160,680.16/6,240,382.80 = 1,320,424.16/x
  3. Step 3: Cross multiply
    4,160,680.16x = 6,240,382.80 × 1,320,424.16
  4. Step 4: Simplify right side
    4,160,680.16x = 8,239,952,216,768.45
  5. Step 5: Solve for x
    x = 8,239,952,216,768.45/4,160,680.16
  6. Step 6: Final answer
    x = 1,980,433.94

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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.