Home / 3,977,666.40-5,966,499.60-1,137,871.20

Finding the Fourth Proportional to 3,977,666.40, 5,966,499.60 and 1,137,871.20

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Solution

The fourth proportional to 3,977,666.40, 5,966,499.60 and 1,137,871.20 is: 1,706,806.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977,666.40 : 5,966,499.60 = 1,137,871.20 : x
  2. Step 2: Convert to fraction form
    3,977,666.40/5,966,499.60 = 1,137,871.20/x
  3. Step 3: Cross multiply
    3,977,666.40x = 5,966,499.60 × 1,137,871.20
  4. Step 4: Simplify right side
    3,977,666.40x = 6,789,108,059,651.52
  5. Step 5: Solve for x
    x = 6,789,108,059,651.52/3,977,666.40
  6. Step 6: Final answer
    x = 1,706,806.80

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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.