Home / 1,587,021.40-2,380,532.10-1,563,401.80

Finding the Fourth Proportional to 1,587,021.40, 2,380,532.10 and 1,563,401.80

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Solution

The fourth proportional to 1,587,021.40, 2,380,532.10 and 1,563,401.80 is: 2,345,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,021.40 : 2,380,532.10 = 1,563,401.80 : x
  2. Step 2: Convert to fraction form
    1,587,021.40/2,380,532.10 = 1,563,401.80/x
  3. Step 3: Cross multiply
    1,587,021.40x = 2,380,532.10 × 1,563,401.80
  4. Step 4: Simplify right side
    1,587,021.40x = 3,721,728,170,097.78
  5. Step 5: Solve for x
    x = 3,721,728,170,097.78/1,587,021.40
  6. Step 6: Final answer
    x = 2,345,102.70

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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.