Home / 2,445,408.40-3,668,768.70-2,181,000.10

Finding the Fourth Proportional to 2,445,408.40, 3,668,768.70 and 2,181,000.10

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Solution

The fourth proportional to 2,445,408.40, 3,668,768.70 and 2,181,000.10 is: 3,272,085.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445,408.40 : 3,668,768.70 = 2,181,000.10 : x
  2. Step 2: Convert to fraction form
    2,445,408.40/3,668,768.70 = 2,181,000.10/x
  3. Step 3: Cross multiply
    2,445,408.40x = 3,668,768.70 × 2,181,000.10
  4. Step 4: Simplify right side
    2,445,408.40x = 8,001,584,901,576.87
  5. Step 5: Solve for x
    x = 8,001,584,901,576.87/2,445,408.40
  6. Step 6: Final answer
    x = 3,272,085.31

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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.