Home / 4,020,827.20-6,031,240.80-2,131,259.20

Finding the Fourth Proportional to 4,020,827.20, 6,031,240.80 and 2,131,259.20

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Solution

The fourth proportional to 4,020,827.20, 6,031,240.80 and 2,131,259.20 is: 3,196,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020,827.20 : 6,031,240.80 = 2,131,259.20 : x
  2. Step 2: Convert to fraction form
    4,020,827.20/6,031,240.80 = 2,131,259.20/x
  3. Step 3: Cross multiply
    4,020,827.20x = 6,031,240.80 × 2,131,259.20
  4. Step 4: Simplify right side
    4,020,827.20x = 12,854,137,442,415.36
  5. Step 5: Solve for x
    x = 12,854,137,442,415.36/4,020,827.20
  6. Step 6: Final answer
    x = 3,196,888.80

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Similar ratio
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1.5x scale

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.