Home / 3,648,956.46-5,034,724.74-2,178,579.42

Finding the Fourth Proportional to 3,648,956.46, 5,034,724.74 and 2,178,579.42

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Solution

The fourth proportional to 3,648,956.46, 5,034,724.74 and 2,178,579.42 is: 3,005,940.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648,956.46 : 5,034,724.74 = 2,178,579.42 : x
  2. Step 2: Convert to fraction form
    3,648,956.46/5,034,724.74 = 2,178,579.42/x
  3. Step 3: Cross multiply
    3,648,956.46x = 5,034,724.74 × 2,178,579.42
  4. Step 4: Simplify right side
    3,648,956.46x = 10,968,547,703,928.85
  5. Step 5: Solve for x
    x = 10,968,547,703,928.85/3,648,956.46
  6. Step 6: Final answer
    x = 3,005,940.97

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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.