Home / 3,115,826.41-4,302,117.80-2,013,909.64

Finding the Fourth Proportional to 3,115,826.41, 4,302,117.80 and 2,013,909.64

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Solution

The fourth proportional to 3,115,826.41, 4,302,117.80 and 2,013,909.64 is: 2,780,667.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,826.41 : 4,302,117.80 = 2,013,909.64 : x
  2. Step 2: Convert to fraction form
    3,115,826.41/4,302,117.80 = 2,013,909.64/x
  3. Step 3: Cross multiply
    3,115,826.41x = 4,302,117.80 × 2,013,909.64
  4. Step 4: Simplify right side
    3,115,826.41x = 8,664,076,509,835.59
  5. Step 5: Solve for x
    x = 8,664,076,509,835.59/3,115,826.41
  6. Step 6: Final answer
    x = 2,780,667.27

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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.