Home / 5,672,001.20-8,508,001.80-1,412,135.60

Finding the Fourth Proportional to 5,672,001.20, 8,508,001.80 and 1,412,135.60

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Solution

The fourth proportional to 5,672,001.20, 8,508,001.80 and 1,412,135.60 is: 2,118,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672,001.20 : 8,508,001.80 = 1,412,135.60 : x
  2. Step 2: Convert to fraction form
    5,672,001.20/8,508,001.80 = 1,412,135.60/x
  3. Step 3: Cross multiply
    5,672,001.20x = 8,508,001.80 × 1,412,135.60
  4. Step 4: Simplify right side
    5,672,001.20x = 12,014,452,226,644.08
  5. Step 5: Solve for x
    x = 12,014,452,226,644.08/5,672,001.20
  6. Step 6: Final answer
    x = 2,118,203.40

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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.