Home / 1,915,278.69-2,643,092.60-1,055,820.09

Finding the Fourth Proportional to 1,915,278.69, 2,643,092.60 and 1,055,820.09

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Solution

The fourth proportional to 1,915,278.69, 2,643,092.60 and 1,055,820.09 is: 1,457,036.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,278.69 : 2,643,092.60 = 1,055,820.09 : x
  2. Step 2: Convert to fraction form
    1,915,278.69/2,643,092.60 = 1,055,820.09/x
  3. Step 3: Cross multiply
    1,915,278.69x = 2,643,092.60 × 1,055,820.09
  4. Step 4: Simplify right side
    1,915,278.69x = 2,790,630,266,810.33
  5. Step 5: Solve for x
    x = 2,790,630,266,810.33/1,915,278.69
  6. Step 6: Final answer
    x = 1,457,036.14

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