Home / 1,964,980.39-2,711,645.16-1,105,538.60

Finding the Fourth Proportional to 1,964,980.39, 2,711,645.16 and 1,105,538.60

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Solution

The fourth proportional to 1,964,980.39, 2,711,645.16 and 1,105,538.60 is: 1,525,627.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,980.39 : 2,711,645.16 = 1,105,538.60 : x
  2. Step 2: Convert to fraction form
    1,964,980.39/2,711,645.16 = 1,105,538.60/x
  3. Step 3: Cross multiply
    1,964,980.39x = 2,711,645.16 × 1,105,538.60
  4. Step 4: Simplify right side
    1,964,980.39x = 2,997,828,393,883.18
  5. Step 5: Solve for x
    x = 2,997,828,393,883.18/1,964,980.39
  6. Step 6: Final answer
    x = 1,525,627.64

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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.