Home / 2,587,021.03-3,880,999.32-1,069,880.30

Finding the Fourth Proportional to 2,587,021.03, 3,880,999.32 and 1,069,880.30

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Solution

The fourth proportional to 2,587,021.03, 3,880,999.32 and 1,069,880.30 is: 1,605,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587,021.03 : 3,880,999.32 = 1,069,880.30 : x
  2. Step 2: Convert to fraction form
    2,587,021.03/3,880,999.32 = 1,069,880.30/x
  3. Step 3: Cross multiply
    2,587,021.03x = 3,880,999.32 × 1,069,880.30
  4. Step 4: Simplify right side
    2,587,021.03x = 4,152,204,716,781.40
  5. Step 5: Solve for x
    x = 4,152,204,716,781.40/2,587,021.03
  6. Step 6: Final answer
    x = 1,605,013.90

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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.