Home / 4,755,123.63-7,127,192.43-2,190,977.91

Finding the Fourth Proportional to 4,755,123.63, 7,127,192.43 and 2,190,977.91

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Solution

The fourth proportional to 4,755,123.63, 7,127,192.43 and 2,190,977.91 is: 3,283,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755,123.63 : 7,127,192.43 = 2,190,977.91 : x
  2. Step 2: Convert to fraction form
    4,755,123.63/7,127,192.43 = 2,190,977.91/x
  3. Step 3: Cross multiply
    4,755,123.63x = 7,127,192.43 × 2,190,977.91
  4. Step 4: Simplify right side
    4,755,123.63x = 15,615,521,174,449.22
  5. Step 5: Solve for x
    x = 15,615,521,174,449.22/4,755,123.63
  6. Step 6: Final answer
    x = 3,283,935.90

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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.