Home / 2,178,448.65-3,264,683.59-1,378,297.80

Finding the Fourth Proportional to 2,178,448.65, 3,264,683.59 and 1,378,297.80

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Solution

The fourth proportional to 2,178,448.65, 3,264,683.59 and 1,378,297.80 is: 2,065,555.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,448.65 : 3,264,683.59 = 1,378,297.80 : x
  2. Step 2: Convert to fraction form
    2,178,448.65/3,264,683.59 = 1,378,297.80/x
  3. Step 3: Cross multiply
    2,178,448.65x = 3,264,683.59 × 1,378,297.80
  4. Step 4: Simplify right side
    2,178,448.65x = 4,499,706,202,901.61
  5. Step 5: Solve for x
    x = 4,499,706,202,901.61/2,178,448.65
  6. Step 6: Final answer
    x = 2,065,555.32

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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.