Home / 2,909,788.98-4,015,633.44-1,620,629.70

Finding the Fourth Proportional to 2,909,788.98, 4,015,633.44 and 1,620,629.70

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Solution

The fourth proportional to 2,909,788.98, 4,015,633.44 and 1,620,629.70 is: 2,236,538.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,788.98 : 4,015,633.44 = 1,620,629.70 : x
  2. Step 2: Convert to fraction form
    2,909,788.98/4,015,633.44 = 1,620,629.70/x
  3. Step 3: Cross multiply
    2,909,788.98x = 4,015,633.44 × 1,620,629.70
  4. Step 4: Simplify right side
    2,909,788.98x = 6,507,854,817,177.17
  5. Step 5: Solve for x
    x = 6,507,854,817,177.17/2,909,788.98
  6. Step 6: Final answer
    x = 2,236,538.41

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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.