Home / 2,997,161.38-4,136,461.50-1,965,537.28

Finding the Fourth Proportional to 2,997,161.38, 4,136,461.50 and 1,965,537.28

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Solution

The fourth proportional to 2,997,161.38, 4,136,461.50 and 1,965,537.28 is: 2,712,689.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997,161.38 : 4,136,461.50 = 1,965,537.28 : x
  2. Step 2: Convert to fraction form
    2,997,161.38/4,136,461.50 = 1,965,537.28/x
  3. Step 3: Cross multiply
    2,997,161.38x = 4,136,461.50 × 1,965,537.28
  4. Step 4: Simplify right side
    2,997,161.38x = 8,130,369,285,534.72
  5. Step 5: Solve for x
    x = 8,130,369,285,534.72/2,997,161.38
  6. Step 6: Final answer
    x = 2,712,689.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.