Home / 1,816,941.66-2,724,581.97-678,869.12

Finding the Fourth Proportional to 1,816,941.66, 2,724,581.97 and 678,869.12

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Solution

The fourth proportional to 1,816,941.66, 2,724,581.97 and 678,869.12 is: 1,017,993.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,941.66 : 2,724,581.97 = 678,869.12 : x
  2. Step 2: Convert to fraction form
    1,816,941.66/2,724,581.97 = 678,869.12/x
  3. Step 3: Cross multiply
    1,816,941.66x = 2,724,581.97 × 678,869.12
  4. Step 4: Simplify right side
    1,816,941.66x = 1,849,634,550,718.86
  5. Step 5: Solve for x
    x = 1,849,634,550,718.86/1,816,941.66
  6. Step 6: Final answer
    x = 1,017,993.36

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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.