Home / 1,805,464.42-2,490,088.04-1,587,206.44

Finding the Fourth Proportional to 1,805,464.42, 2,490,088.04 and 1,587,206.44

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Solution

The fourth proportional to 1,805,464.42, 2,490,088.04 and 1,587,206.44 is: 2,189,067.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,464.42 : 2,490,088.04 = 1,587,206.44 : x
  2. Step 2: Convert to fraction form
    1,805,464.42/2,490,088.04 = 1,587,206.44/x
  3. Step 3: Cross multiply
    1,805,464.42x = 2,490,088.04 × 1,587,206.44
  4. Step 4: Simplify right side
    1,805,464.42x = 3,952,283,783,311.62
  5. Step 5: Solve for x
    x = 3,952,283,783,311.62/1,805,464.42
  6. Step 6: Final answer
    x = 2,189,067.67

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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.