Home / 1,977,639.69-2,966,197.23-557,810.13

Finding the Fourth Proportional to 1,977,639.69, 2,966,197.23 and 557,810.13

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Solution

The fourth proportional to 1,977,639.69, 2,966,197.23 and 557,810.13 is: 836,641.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,639.69 : 2,966,197.23 = 557,810.13 : x
  2. Step 2: Convert to fraction form
    1,977,639.69/2,966,197.23 = 557,810.13/x
  3. Step 3: Cross multiply
    1,977,639.69x = 2,966,197.23 × 557,810.13
  4. Step 4: Simplify right side
    1,977,639.69x = 1,654,574,862,471.94
  5. Step 5: Solve for x
    x = 1,654,574,862,471.94/1,977,639.69
  6. Step 6: Final answer
    x = 836,641.21

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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.