Home / 2,988,410.36-4,478,503.97-1,280,509.16

Finding the Fourth Proportional to 2,988,410.36, 4,478,503.97 and 1,280,509.16

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Solution

The fourth proportional to 2,988,410.36, 4,478,503.97 and 1,280,509.16 is: 1,919,001.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,410.36 : 4,478,503.97 = 1,280,509.16 : x
  2. Step 2: Convert to fraction form
    2,988,410.36/4,478,503.97 = 1,280,509.16/x
  3. Step 3: Cross multiply
    2,988,410.36x = 4,478,503.97 × 1,280,509.16
  4. Step 4: Simplify right side
    2,988,410.36x = 5,734,765,337,490.12
  5. Step 5: Solve for x
    x = 5,734,765,337,490.12/2,988,410.36
  6. Step 6: Final answer
    x = 1,919,001.96

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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.