Home / 1,540,890.14-2,126,416.83-861,826.64

Finding the Fourth Proportional to 1,540,890.14, 2,126,416.83 and 861,826.64

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Solution

The fourth proportional to 1,540,890.14, 2,126,416.83 and 861,826.64 is: 1,189,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,890.14 : 2,126,416.83 = 861,826.64 : x
  2. Step 2: Convert to fraction form
    1,540,890.14/2,126,416.83 = 861,826.64/x
  3. Step 3: Cross multiply
    1,540,890.14x = 2,126,416.83 × 861,826.64
  4. Step 4: Simplify right side
    1,540,890.14x = 1,832,602,671,838.35
  5. Step 5: Solve for x
    x = 1,832,602,671,838.35/1,540,890.14
  6. Step 6: Final answer
    x = 1,189,314.30

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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.