Home / 1,816,942.41-2,724,583.05-678,869.91

Finding the Fourth Proportional to 1,816,942.41, 2,724,583.05 and 678,869.91

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Solution

The fourth proportional to 1,816,942.41, 2,724,583.05 and 678,869.91 is: 1,017,994.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,942.41 : 2,724,583.05 = 678,869.91 : x
  2. Step 2: Convert to fraction form
    1,816,942.41/2,724,583.05 = 678,869.91/x
  3. Step 3: Cross multiply
    1,816,942.41x = 2,724,583.05 × 678,869.91
  4. Step 4: Simplify right side
    1,816,942.41x = 1,849,637,449,941.03
  5. Step 5: Solve for x
    x = 1,849,637,449,941.03/1,816,942.41
  6. Step 6: Final answer
    x = 1,017,994.54

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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.