Home / 1,986,869.94-2,977,958.07-849,299.46

Finding the Fourth Proportional to 1,986,869.94, 2,977,958.07 and 849,299.46

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Solution

The fourth proportional to 1,986,869.94, 2,977,958.07 and 849,299.46 is: 1,272,946.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,869.94 : 2,977,958.07 = 849,299.46 : x
  2. Step 2: Convert to fraction form
    1,986,869.94/2,977,958.07 = 849,299.46/x
  3. Step 3: Cross multiply
    1,986,869.94x = 2,977,958.07 × 849,299.46
  4. Step 4: Simplify right side
    1,986,869.94x = 2,529,178,180,753.64
  5. Step 5: Solve for x
    x = 2,529,178,180,753.64/1,986,869.94
  6. Step 6: Final answer
    x = 1,272,946.02

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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.