Home / 3,429,680.23-5,140,035.63-1,405,554.31

Finding the Fourth Proportional to 3,429,680.23, 5,140,035.63 and 1,405,554.31

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Solution

The fourth proportional to 3,429,680.23, 5,140,035.63 and 1,405,554.31 is: 2,106,493.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429,680.23 : 5,140,035.63 = 1,405,554.31 : x
  2. Step 2: Convert to fraction form
    3,429,680.23/5,140,035.63 = 1,405,554.31/x
  3. Step 3: Cross multiply
    3,429,680.23x = 5,140,035.63 × 1,405,554.31
  4. Step 4: Simplify right side
    3,429,680.23x = 7,224,599,233,300.07
  5. Step 5: Solve for x
    x = 7,224,599,233,300.07/3,429,680.23
  6. Step 6: Final answer
    x = 2,106,493.54

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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.