Home / 2,581,890.32-3,864,554.04-1,380,809.36

Finding the Fourth Proportional to 2,581,890.32, 3,864,554.04 and 1,380,809.36

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Solution

The fourth proportional to 2,581,890.32, 3,864,554.04 and 1,380,809.36 is: 2,066,785.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581,890.32 : 3,864,554.04 = 1,380,809.36 : x
  2. Step 2: Convert to fraction form
    2,581,890.32/3,864,554.04 = 1,380,809.36/x
  3. Step 3: Cross multiply
    2,581,890.32x = 3,864,554.04 × 1,380,809.36
  4. Step 4: Simplify right side
    2,581,890.32x = 5,336,212,390,657.81
  5. Step 5: Solve for x
    x = 5,336,212,390,657.81/2,581,890.32
  6. Step 6: Final answer
    x = 2,066,785.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.