Home / 1,977,643.14-2,729,071.77-1,118,221.38

Finding the Fourth Proportional to 1,977,643.14, 2,729,071.77 and 1,118,221.38

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Solution

The fourth proportional to 1,977,643.14, 2,729,071.77 and 1,118,221.38 is: 1,543,102.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,643.14 : 2,729,071.77 = 1,118,221.38 : x
  2. Step 2: Convert to fraction form
    1,977,643.14/2,729,071.77 = 1,118,221.38/x
  3. Step 3: Cross multiply
    1,977,643.14x = 2,729,071.77 × 1,118,221.38
  4. Step 4: Simplify right side
    1,977,643.14x = 3,051,706,400,768.44
  5. Step 5: Solve for x
    x = 3,051,706,400,768.44/1,977,643.14
  6. Step 6: Final answer
    x = 1,543,102.67

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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.