Home / 3,787,521.76-5,226,949.93-2,068,656.40

Finding the Fourth Proportional to 3,787,521.76, 5,226,949.93 and 2,068,656.40

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Solution

The fourth proportional to 3,787,521.76, 5,226,949.93 and 2,068,656.40 is: 2,854,838.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787,521.76 : 5,226,949.93 = 2,068,656.40 : x
  2. Step 2: Convert to fraction form
    3,787,521.76/5,226,949.93 = 2,068,656.40/x
  3. Step 3: Cross multiply
    3,787,521.76x = 5,226,949.93 × 2,068,656.40
  4. Step 4: Simplify right side
    3,787,521.76x = 10,812,763,399,039.30
  5. Step 5: Solve for x
    x = 10,812,763,399,039.30/3,787,521.76
  6. Step 6: Final answer
    x = 2,854,838.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.