Home / 3,415,427.10-5,129,045.55-1,821,104.10

Finding the Fourth Proportional to 3,415,427.10, 5,129,045.55 and 1,821,104.10

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Solution

The fourth proportional to 3,415,427.10, 5,129,045.55 and 1,821,104.10 is: 2,734,804.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415,427.10 : 5,129,045.55 = 1,821,104.10 : x
  2. Step 2: Convert to fraction form
    3,415,427.10/5,129,045.55 = 1,821,104.10/x
  3. Step 3: Cross multiply
    3,415,427.10x = 5,129,045.55 × 1,821,104.10
  4. Step 4: Simplify right side
    3,415,427.10x = 9,340,525,880,191.76
  5. Step 5: Solve for x
    x = 9,340,525,880,191.76/3,415,427.10
  6. Step 6: Final answer
    x = 2,734,804.64

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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.