Home / 2,211,215.85-3,316,842.34-613,903.50

Finding the Fourth Proportional to 2,211,215.85, 3,316,842.34 and 613,903.50

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Solution

The fourth proportional to 2,211,215.85, 3,316,842.34 and 613,903.50 is: 920,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,215.85 : 3,316,842.34 = 613,903.50 : x
  2. Step 2: Convert to fraction form
    2,211,215.85/3,316,842.34 = 613,903.50/x
  3. Step 3: Cross multiply
    2,211,215.85x = 3,316,842.34 × 613,903.50
  4. Step 4: Simplify right side
    2,211,215.85x = 2,036,221,104,889.98
  5. Step 5: Solve for x
    x = 2,036,221,104,889.98/2,211,215.85
  6. Step 6: Final answer
    x = 920,860.40

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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.