Home / 3,977,646.40-5,966,469.60-985,830.40

Finding the Fourth Proportional to 3,977,646.40, 5,966,469.60 and 985,830.40

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Solution

The fourth proportional to 3,977,646.40, 5,966,469.60 and 985,830.40 is: 1,478,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977,646.40 : 5,966,469.60 = 985,830.40 : x
  2. Step 2: Convert to fraction form
    3,977,646.40/5,966,469.60 = 985,830.40/x
  3. Step 3: Cross multiply
    3,977,646.40x = 5,966,469.60 × 985,830.40
  4. Step 4: Simplify right side
    3,977,646.40x = 5,881,927,112,355.84
  5. Step 5: Solve for x
    x = 5,881,927,112,355.84/3,977,646.40
  6. Step 6: Final answer
    x = 1,478,745.60

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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.