Home / 1,916,020.13-2,643,987.08-1,099,649.25

Finding the Fourth Proportional to 1,916,020.13, 2,643,987.08 and 1,099,649.25

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Solution

The fourth proportional to 1,916,020.13, 2,643,987.08 and 1,099,649.25 is: 1,517,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,020.13 : 2,643,987.08 = 1,099,649.25 : x
  2. Step 2: Convert to fraction form
    1,916,020.13/2,643,987.08 = 1,099,649.25/x
  3. Step 3: Cross multiply
    1,916,020.13x = 2,643,987.08 × 1,099,649.25
  4. Step 4: Simplify right side
    1,916,020.13x = 2,907,458,412,280.81
  5. Step 5: Solve for x
    x = 2,907,458,412,280.81/1,916,020.13
  6. Step 6: Final answer
    x = 1,517,446.70

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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.