Home / 3,778,795.20-5,669,297.28-1,219,950.40

Finding the Fourth Proportional to 3,778,795.20, 5,669,297.28 and 1,219,950.40

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Solution

The fourth proportional to 3,778,795.20, 5,669,297.28 and 1,219,950.40 is: 1,830,282.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,795.20 : 5,669,297.28 = 1,219,950.40 : x
  2. Step 2: Convert to fraction form
    3,778,795.20/5,669,297.28 = 1,219,950.40/x
  3. Step 3: Cross multiply
    3,778,795.20x = 5,669,297.28 × 1,219,950.40
  4. Step 4: Simplify right side
    3,778,795.20x = 6,916,261,484,454.91
  5. Step 5: Solve for x
    x = 6,916,261,484,454.91/3,778,795.20
  6. Step 6: Final answer
    x = 1,830,282.17

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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.