Home / 2,075,910.40-3,113,865.60-1,119,316.60

Finding the Fourth Proportional to 2,075,910.40, 3,113,865.60 and 1,119,316.60

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Solution

The fourth proportional to 2,075,910.40, 3,113,865.60 and 1,119,316.60 is: 1,678,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,910.40 : 3,113,865.60 = 1,119,316.60 : x
  2. Step 2: Convert to fraction form
    2,075,910.40/3,113,865.60 = 1,119,316.60/x
  3. Step 3: Cross multiply
    2,075,910.40x = 3,113,865.60 × 1,119,316.60
  4. Step 4: Simplify right side
    2,075,910.40x = 3,485,401,456,248.96
  5. Step 5: Solve for x
    x = 3,485,401,456,248.96/2,075,910.40
  6. Step 6: Final answer
    x = 1,678,974.90

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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.