Home / 1,526,238.60-2,106,103.86-847,121.64

Finding the Fourth Proportional to 1,526,238.60, 2,106,103.86 and 847,121.64

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Solution

The fourth proportional to 1,526,238.60, 2,106,103.86 and 847,121.64 is: 1,168,969.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,238.60 : 2,106,103.86 = 847,121.64 : x
  2. Step 2: Convert to fraction form
    1,526,238.60/2,106,103.86 = 847,121.64/x
  3. Step 3: Cross multiply
    1,526,238.60x = 2,106,103.86 × 847,121.64
  4. Step 4: Simplify right side
    1,526,238.60x = 1,784,126,155,893.53
  5. Step 5: Solve for x
    x = 1,784,126,155,893.53/1,526,238.60
  6. Step 6: Final answer
    x = 1,168,969.36

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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.