Home / 2,051,128.38-3,076,984.17-631,302.78

Finding the Fourth Proportional to 2,051,128.38, 3,076,984.17 and 631,302.78

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Solution

The fourth proportional to 2,051,128.38, 3,076,984.17 and 631,302.78 is: 947,043.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051,128.38 : 3,076,984.17 = 631,302.78 : x
  2. Step 2: Convert to fraction form
    2,051,128.38/3,076,984.17 = 631,302.78/x
  3. Step 3: Cross multiply
    2,051,128.38x = 3,076,984.17 × 631,302.78
  4. Step 4: Simplify right side
    2,051,128.38x = 1,942,508,660,536.99
  5. Step 5: Solve for x
    x = 1,942,508,660,536.99/2,051,128.38
  6. Step 6: Final answer
    x = 947,043.92

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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.