Home / 2,209,119.40-3,313,679.10-713,211.40

Finding the Fourth Proportional to 2,209,119.40, 3,313,679.10 and 713,211.40

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Solution

The fourth proportional to 2,209,119.40, 3,313,679.10 and 713,211.40 is: 1,069,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,119.40 : 3,313,679.10 = 713,211.40 : x
  2. Step 2: Convert to fraction form
    2,209,119.40/3,313,679.10 = 713,211.40/x
  3. Step 3: Cross multiply
    2,209,119.40x = 3,313,679.10 × 713,211.40
  4. Step 4: Simplify right side
    2,209,119.40x = 2,363,353,710,061.74
  5. Step 5: Solve for x
    x = 2,363,353,710,061.74/2,209,119.40
  6. Step 6: Final answer
    x = 1,069,817.10

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Double scale
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Similar ratio
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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.