Home / 6,434,389.50-9,651,576.09-1,642,078.87

Finding the Fourth Proportional to 6,434,389.50, 9,651,576.09 and 1,642,078.87

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Solution

The fourth proportional to 6,434,389.50, 9,651,576.09 and 1,642,078.87 is: 2,463,116.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434,389.50 : 9,651,576.09 = 1,642,078.87 : x
  2. Step 2: Convert to fraction form
    6,434,389.50/9,651,576.09 = 1,642,078.87/x
  3. Step 3: Cross multiply
    6,434,389.50x = 9,651,576.09 × 1,642,078.87
  4. Step 4: Simplify right side
    6,434,389.50x = 15,848,649,111,328.34
  5. Step 5: Solve for x
    x = 15,848,649,111,328.34/6,434,389.50
  6. Step 6: Final answer
    x = 2,463,116.22

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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.