Home / 1,871,940.12-2,564,545.70-1,801,940.53

Finding the Fourth Proportional to 1,871,940.12, 2,564,545.70 and 1,801,940.53

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Solution

The fourth proportional to 1,871,940.12, 2,564,545.70 and 1,801,940.53 is: 2,468,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,940.12 : 2,564,545.70 = 1,801,940.53 : x
  2. Step 2: Convert to fraction form
    1,871,940.12/2,564,545.70 = 1,801,940.53/x
  3. Step 3: Cross multiply
    1,871,940.12x = 2,564,545.70 × 1,801,940.53
  4. Step 4: Simplify right side
    1,871,940.12x = 4,621,158,816,034.79
  5. Step 5: Solve for x
    x = 4,621,158,816,034.79/1,871,940.12
  6. Step 6: Final answer
    x = 2,468,646.72

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.