Home / 1,916,933.90-2,645,326.14-1,057,493.93

Finding the Fourth Proportional to 1,916,933.90, 2,645,326.14 and 1,057,493.93

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Solution

The fourth proportional to 1,916,933.90, 2,645,326.14 and 1,057,493.93 is: 1,459,318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,933.90 : 2,645,326.14 = 1,057,493.93 : x
  2. Step 2: Convert to fraction form
    1,916,933.90/2,645,326.14 = 1,057,493.93/x
  3. Step 3: Cross multiply
    1,916,933.90x = 2,645,326.14 × 1,057,493.93
  4. Step 4: Simplify right side
    1,916,933.90x = 2,797,416,322,693.70
  5. Step 5: Solve for x
    x = 2,797,416,322,693.70/1,916,933.90
  6. Step 6: Final answer
    x = 1,459,318.10

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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.