Home / 1,916,854.47-2,645,216.60-1,057,414.50

Finding the Fourth Proportional to 1,916,854.47, 2,645,216.60 and 1,057,414.50

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Solution

The fourth proportional to 1,916,854.47, 2,645,216.60 and 1,057,414.50 is: 1,459,208.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,854.47 : 2,645,216.60 = 1,057,414.50 : x
  2. Step 2: Convert to fraction form
    1,916,854.47/2,645,216.60 = 1,057,414.50/x
  3. Step 3: Cross multiply
    1,916,854.47x = 2,645,216.60 × 1,057,414.50
  4. Step 4: Simplify right side
    1,916,854.47x = 2,797,090,383,193.63
  5. Step 5: Solve for x
    x = 2,797,090,383,193.63/1,916,854.47
  6. Step 6: Final answer
    x = 1,459,208.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.