Home / 2,827,178.16-3,900,216.60-1,680,606.96

Finding the Fourth Proportional to 2,827,178.16, 3,900,216.60 and 1,680,606.96

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Solution

The fourth proportional to 2,827,178.16, 3,900,216.60 and 1,680,606.96 is: 2,318,471.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827,178.16 : 3,900,216.60 = 1,680,606.96 : x
  2. Step 2: Convert to fraction form
    2,827,178.16/3,900,216.60 = 1,680,606.96/x
  3. Step 3: Cross multiply
    2,827,178.16x = 3,900,216.60 × 1,680,606.96
  4. Step 4: Simplify right side
    2,827,178.16x = 6,554,731,163,467.54
  5. Step 5: Solve for x
    x = 6,554,731,163,467.54/2,827,178.16
  6. Step 6: Final answer
    x = 2,318,471.21

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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.