Home / 3,502,587.60-5,253,881.40-978,238.80

Finding the Fourth Proportional to 3,502,587.60, 5,253,881.40 and 978,238.80

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Solution

The fourth proportional to 3,502,587.60, 5,253,881.40 and 978,238.80 is: 1,467,358.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,502,587.60 : 5,253,881.40 = 978,238.80 : x
  2. Step 2: Convert to fraction form
    3,502,587.60/5,253,881.40 = 978,238.80/x
  3. Step 3: Cross multiply
    3,502,587.60x = 5,253,881.40 × 978,238.80
  4. Step 4: Simplify right side
    3,502,587.60x = 5,139,550,636,078.32
  5. Step 5: Solve for x
    x = 5,139,550,636,078.32/3,502,587.60
  6. Step 6: Final answer
    x = 1,467,358.20

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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.