Home / 1,977,638.69-2,966,195.73-557,809.13

Finding the Fourth Proportional to 1,977,638.69, 2,966,195.73 and 557,809.13

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Solution

The fourth proportional to 1,977,638.69, 2,966,195.73 and 557,809.13 is: 836,639.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,638.69 : 2,966,195.73 = 557,809.13 : x
  2. Step 2: Convert to fraction form
    1,977,638.69/2,966,195.73 = 557,809.13/x
  3. Step 3: Cross multiply
    1,977,638.69x = 2,966,195.73 × 557,809.13
  4. Step 4: Simplify right side
    1,977,638.69x = 1,654,571,059,561.02
  5. Step 5: Solve for x
    x = 1,654,571,059,561.02/1,977,638.69
  6. Step 6: Final answer
    x = 836,639.71

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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.