Home / 3,429,680.18-5,140,035.53-1,405,554.27

Finding the Fourth Proportional to 3,429,680.18, 5,140,035.53 and 1,405,554.27

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Solution

The fourth proportional to 3,429,680.18, 5,140,035.53 and 1,405,554.27 is: 2,106,493.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429,680.18 : 5,140,035.53 = 1,405,554.27 : x
  2. Step 2: Convert to fraction form
    3,429,680.18/5,140,035.53 = 1,405,554.27/x
  3. Step 3: Cross multiply
    3,429,680.18x = 5,140,035.53 × 1,405,554.27
  4. Step 4: Simplify right side
    3,429,680.18x = 7,224,598,887,143.21
  5. Step 5: Solve for x
    x = 7,224,598,887,143.21/3,429,680.18
  6. Step 6: Final answer
    x = 2,106,493.47

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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.