Home / 2,209,731-3,314,587.32-612,289.50

Finding the Fourth Proportional to 2,209,731, 3,314,587.32 and 612,289.50

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Solution

The fourth proportional to 2,209,731, 3,314,587.32 and 612,289.50 is: 918,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,731 : 3,314,587.32 = 612,289.50 : x
  2. Step 2: Convert to fraction form
    2,209,731/3,314,587.32 = 612,289.50/x
  3. Step 3: Cross multiply
    2,209,731x = 3,314,587.32 × 612,289.50
  4. Step 4: Simplify right side
    2,209,731x = 2,029,487,012,869.14
  5. Step 5: Solve for x
    x = 2,029,487,012,869.14/2,209,731
  6. Step 6: Final answer
    x = 918,431.71

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1.5x scale

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.