Home / 2,127,258-3,190,914.78-707,314.05

Finding the Fourth Proportional to 2,127,258, 3,190,914.78 and 707,314.05

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Solution

The fourth proportional to 2,127,258, 3,190,914.78 and 707,314.05 is: 1,060,980.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,258 : 3,190,914.78 = 707,314.05 : x
  2. Step 2: Convert to fraction form
    2,127,258/3,190,914.78 = 707,314.05/x
  3. Step 3: Cross multiply
    2,127,258x = 3,190,914.78 × 707,314.05
  4. Step 4: Simplify right side
    2,127,258x = 2,256,978,856,246.66
  5. Step 5: Solve for x
    x = 2,256,978,856,246.66/2,127,258
  6. Step 6: Final answer
    x = 1,060,980.31

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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.