Home / 2,912,809.90-4,369,214.85-1,019,742.70

Finding the Fourth Proportional to 2,912,809.90, 4,369,214.85 and 1,019,742.70

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Solution

The fourth proportional to 2,912,809.90, 4,369,214.85 and 1,019,742.70 is: 1,529,614.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,809.90 : 4,369,214.85 = 1,019,742.70 : x
  2. Step 2: Convert to fraction form
    2,912,809.90/4,369,214.85 = 1,019,742.70/x
  3. Step 3: Cross multiply
    2,912,809.90x = 4,369,214.85 × 1,019,742.70
  4. Step 4: Simplify right side
    2,912,809.90x = 4,455,474,948,019.10
  5. Step 5: Solve for x
    x = 4,455,474,948,019.10/2,912,809.90
  6. Step 6: Final answer
    x = 1,529,614.05

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Double scale
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Similar ratio
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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.