Home / 1,992,802.96-2,750,134.44-1,087,434.64

Finding the Fourth Proportional to 1,992,802.96, 2,750,134.44 and 1,087,434.64

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Solution

The fourth proportional to 1,992,802.96, 2,750,134.44 and 1,087,434.64 is: 1,500,696.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,802.96 : 2,750,134.44 = 1,087,434.64 : x
  2. Step 2: Convert to fraction form
    1,992,802.96/2,750,134.44 = 1,087,434.64/x
  3. Step 3: Cross multiply
    1,992,802.96x = 2,750,134.44 × 1,087,434.64
  4. Step 4: Simplify right side
    1,992,802.96x = 2,990,591,454,713.00
  5. Step 5: Solve for x
    x = 2,990,591,454,713.00/1,992,802.96
  6. Step 6: Final answer
    x = 1,500,696.01

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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.