Home / 1,986,872.94-2,977,962.57-849,302.46

Finding the Fourth Proportional to 1,986,872.94, 2,977,962.57 and 849,302.46

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Solution

The fourth proportional to 1,986,872.94, 2,977,962.57 and 849,302.46 is: 1,272,950.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,872.94 : 2,977,962.57 = 849,302.46 : x
  2. Step 2: Convert to fraction form
    1,986,872.94/2,977,962.57 = 849,302.46/x
  3. Step 3: Cross multiply
    1,986,872.94x = 2,977,962.57 × 849,302.46
  4. Step 4: Simplify right side
    1,986,872.94x = 2,529,190,936,488.92
  5. Step 5: Solve for x
    x = 2,529,190,936,488.92/1,986,872.94
  6. Step 6: Final answer
    x = 1,272,950.52

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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.