Home / 1,977,638.70-2,966,195.72-557,809.14

Finding the Fourth Proportional to 1,977,638.70, 2,966,195.72 and 557,809.14

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Solution

The fourth proportional to 1,977,638.70, 2,966,195.72 and 557,809.14 is: 836,639.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,638.70 : 2,966,195.72 = 557,809.14 : x
  2. Step 2: Convert to fraction form
    1,977,638.70/2,966,195.72 = 557,809.14/x
  3. Step 3: Cross multiply
    1,977,638.70x = 2,966,195.72 × 557,809.14
  4. Step 4: Simplify right side
    1,977,638.70x = 1,654,571,083,644.88
  5. Step 5: Solve for x
    x = 1,654,571,083,644.88/1,977,638.70
  6. Step 6: Final answer
    x = 836,639.72

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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.