Home / 3,608,939.03-4,980,459.83-1,977,341.45

Finding the Fourth Proportional to 3,608,939.03, 4,980,459.83 and 1,977,341.45

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Solution

The fourth proportional to 3,608,939.03, 4,980,459.83 and 1,977,341.45 is: 2,728,799.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,939.03 : 4,980,459.83 = 1,977,341.45 : x
  2. Step 2: Convert to fraction form
    3,608,939.03/4,980,459.83 = 1,977,341.45/x
  3. Step 3: Cross multiply
    3,608,939.03x = 4,980,459.83 × 1,977,341.45
  4. Step 4: Simplify right side
    3,608,939.03x = 9,848,069,627,129.95
  5. Step 5: Solve for x
    x = 9,848,069,627,129.95/3,608,939.03
  6. Step 6: Final answer
    x = 2,728,799.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.