Home / 2,856,680.67-3,942,165.47-1,567,509.81

Finding the Fourth Proportional to 2,856,680.67, 3,942,165.47 and 1,567,509.81

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Solution

The fourth proportional to 2,856,680.67, 3,942,165.47 and 1,567,509.81 is: 2,163,133.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,680.67 : 3,942,165.47 = 1,567,509.81 : x
  2. Step 2: Convert to fraction form
    2,856,680.67/3,942,165.47 = 1,567,509.81/x
  3. Step 3: Cross multiply
    2,856,680.67x = 3,942,165.47 × 1,567,509.81
  4. Step 4: Simplify right side
    2,856,680.67x = 6,179,383,039,030.71
  5. Step 5: Solve for x
    x = 6,179,383,039,030.71/2,856,680.67
  6. Step 6: Final answer
    x = 2,163,133.98

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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.