Home / 2,840,857.38-3,920,359.89-1,551,698.58

Finding the Fourth Proportional to 2,840,857.38, 3,920,359.89 and 1,551,698.58

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Solution

The fourth proportional to 2,840,857.38, 3,920,359.89 and 1,551,698.58 is: 2,141,331.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,857.38 : 3,920,359.89 = 1,551,698.58 : x
  2. Step 2: Convert to fraction form
    2,840,857.38/3,920,359.89 = 1,551,698.58/x
  3. Step 3: Cross multiply
    2,840,857.38x = 3,920,359.89 × 1,551,698.58
  4. Step 4: Simplify right side
    2,840,857.38x = 6,083,216,874,401.96
  5. Step 5: Solve for x
    x = 6,083,216,874,401.96/2,840,857.38
  6. Step 6: Final answer
    x = 2,141,331.32

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1.5x scale

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.