Home / 1,530,187.94-2,111,574.78-851,080.70

Finding the Fourth Proportional to 1,530,187.94, 2,111,574.78 and 851,080.70

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Solution

The fourth proportional to 1,530,187.94, 2,111,574.78 and 851,080.70 is: 1,174,444.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,187.94 : 2,111,574.78 = 851,080.70 : x
  2. Step 2: Convert to fraction form
    1,530,187.94/2,111,574.78 = 851,080.70/x
  3. Step 3: Cross multiply
    1,530,187.94x = 2,111,574.78 × 851,080.70
  4. Step 4: Simplify right side
    1,530,187.94x = 1,797,120,541,864.75
  5. Step 5: Solve for x
    x = 1,797,120,541,864.75/1,530,187.94
  6. Step 6: Final answer
    x = 1,174,444.32

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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.