Home / 2,631,411.12-3,630,215.16-1,544,015.28

Finding the Fourth Proportional to 2,631,411.12, 3,630,215.16 and 1,544,015.28

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Solution

The fourth proportional to 2,631,411.12, 3,630,215.16 and 1,544,015.28 is: 2,130,076.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,411.12 : 3,630,215.16 = 1,544,015.28 : x
  2. Step 2: Convert to fraction form
    2,631,411.12/3,630,215.16 = 1,544,015.28/x
  3. Step 3: Cross multiply
    2,631,411.12x = 3,630,215.16 × 1,544,015.28
  4. Step 4: Simplify right side
    2,631,411.12x = 5,605,107,676,727.65
  5. Step 5: Solve for x
    x = 5,605,107,676,727.65/2,631,411.12
  6. Step 6: Final answer
    x = 2,130,076.76

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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.