Home / 2,488,331.40-3,736,433.70-1,889,968.20

Finding the Fourth Proportional to 2,488,331.40, 3,736,433.70 and 1,889,968.20

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Solution

The fourth proportional to 2,488,331.40, 3,736,433.70 and 1,889,968.20 is: 2,837,942.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488,331.40 : 3,736,433.70 = 1,889,968.20 : x
  2. Step 2: Convert to fraction form
    2,488,331.40/3,736,433.70 = 1,889,968.20/x
  3. Step 3: Cross multiply
    2,488,331.40x = 3,736,433.70 × 1,889,968.20
  4. Step 4: Simplify right side
    2,488,331.40x = 7,061,740,874,408.34
  5. Step 5: Solve for x
    x = 7,061,740,874,408.34/2,488,331.40
  6. Step 6: Final answer
    x = 2,837,942.28

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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.