Home / 1,934,864.60-2,902,296.90-978,270.80

Finding the Fourth Proportional to 1,934,864.60, 2,902,296.90 and 978,270.80

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Solution

The fourth proportional to 1,934,864.60, 2,902,296.90 and 978,270.80 is: 1,467,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934,864.60 : 2,902,296.90 = 978,270.80 : x
  2. Step 2: Convert to fraction form
    1,934,864.60/2,902,296.90 = 978,270.80/x
  3. Step 3: Cross multiply
    1,934,864.60x = 2,902,296.90 × 978,270.80
  4. Step 4: Simplify right side
    1,934,864.60x = 2,839,232,310,200.52
  5. Step 5: Solve for x
    x = 2,839,232,310,200.52/1,934,864.60
  6. Step 6: Final answer
    x = 1,467,406.20

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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.