Home / 3,478,493.80-5,217,740.70-1,487,837.80

Finding the Fourth Proportional to 3,478,493.80, 5,217,740.70 and 1,487,837.80

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Solution

The fourth proportional to 3,478,493.80, 5,217,740.70 and 1,487,837.80 is: 2,231,756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,493.80 : 5,217,740.70 = 1,487,837.80 : x
  2. Step 2: Convert to fraction form
    3,478,493.80/5,217,740.70 = 1,487,837.80/x
  3. Step 3: Cross multiply
    3,478,493.80x = 5,217,740.70 × 1,487,837.80
  4. Step 4: Simplify right side
    3,478,493.80x = 7,763,151,844,058.46
  5. Step 5: Solve for x
    x = 7,763,151,844,058.46/3,478,493.80
  6. Step 6: Final answer
    x = 2,231,756.70

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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.