Home / 4,934,902.20-7,399,728.90-2,091,802.20

Finding the Fourth Proportional to 4,934,902.20, 7,399,728.90 and 2,091,802.20

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Solution

The fourth proportional to 4,934,902.20, 7,399,728.90 and 2,091,802.20 is: 3,136,590.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,934,902.20 : 7,399,728.90 = 2,091,802.20 : x
  2. Step 2: Convert to fraction form
    4,934,902.20/7,399,728.90 = 2,091,802.20/x
  3. Step 3: Cross multiply
    4,934,902.20x = 7,399,728.90 × 2,091,802.20
  4. Step 4: Simplify right side
    4,934,902.20x = 15,478,769,192,423.58
  5. Step 5: Solve for x
    x = 15,478,769,192,423.58/4,934,902.20
  6. Step 6: Final answer
    x = 3,136,590.87

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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.