Home / 4,130,825.80-6,196,238.70-3,280,520.20

Finding the Fourth Proportional to 4,130,825.80, 6,196,238.70 and 3,280,520.20

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Solution

The fourth proportional to 4,130,825.80, 6,196,238.70 and 3,280,520.20 is: 4,920,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130,825.80 : 6,196,238.70 = 3,280,520.20 : x
  2. Step 2: Convert to fraction form
    4,130,825.80/6,196,238.70 = 3,280,520.20/x
  3. Step 3: Cross multiply
    4,130,825.80x = 6,196,238.70 × 3,280,520.20
  4. Step 4: Simplify right side
    4,130,825.80x = 20,326,886,219,371.74
  5. Step 5: Solve for x
    x = 20,326,886,219,371.74/4,130,825.80
  6. Step 6: Final answer
    x = 4,920,780.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.