Home / 2,421,135.60-3,630,828.60-981,214.80

Finding the Fourth Proportional to 2,421,135.60, 3,630,828.60 and 981,214.80

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Solution

The fourth proportional to 2,421,135.60, 3,630,828.60 and 981,214.80 is: 1,471,467.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421,135.60 : 3,630,828.60 = 981,214.80 : x
  2. Step 2: Convert to fraction form
    2,421,135.60/3,630,828.60 = 981,214.80/x
  3. Step 3: Cross multiply
    2,421,135.60x = 3,630,828.60 × 981,214.80
  4. Step 4: Simplify right side
    2,421,135.60x = 3,562,622,758,583.28
  5. Step 5: Solve for x
    x = 3,562,622,758,583.28/2,421,135.60
  6. Step 6: Final answer
    x = 1,471,467.67

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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.