Home / 6,461,092.80-9,689,889.60-1,912,132.80

Finding the Fourth Proportional to 6,461,092.80, 9,689,889.60 and 1,912,132.80

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Solution

The fourth proportional to 6,461,092.80, 9,689,889.60 and 1,912,132.80 is: 2,867,681.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461,092.80 : 9,689,889.60 = 1,912,132.80 : x
  2. Step 2: Convert to fraction form
    6,461,092.80/9,689,889.60 = 1,912,132.80/x
  3. Step 3: Cross multiply
    6,461,092.80x = 9,689,889.60 × 1,912,132.80
  4. Step 4: Simplify right side
    6,461,092.80x = 18,528,355,732,538.88
  5. Step 5: Solve for x
    x = 18,528,355,732,538.88/6,461,092.80
  6. Step 6: Final answer
    x = 2,867,681.41

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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.