Home / 5,992,938.40-8,989,407.60-3,977,399.20

Finding the Fourth Proportional to 5,992,938.40, 8,989,407.60 and 3,977,399.20

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Solution

The fourth proportional to 5,992,938.40, 8,989,407.60 and 3,977,399.20 is: 5,966,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,992,938.40 : 8,989,407.60 = 3,977,399.20 : x
  2. Step 2: Convert to fraction form
    5,992,938.40/8,989,407.60 = 3,977,399.20/x
  3. Step 3: Cross multiply
    5,992,938.40x = 8,989,407.60 × 3,977,399.20
  4. Step 4: Simplify right side
    5,992,938.40x = 35,754,462,596,713.92
  5. Step 5: Solve for x
    x = 35,754,462,596,713.92/5,992,938.40
  6. Step 6: Final answer
    x = 5,966,098.80

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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.