Home / 2,142,759.64-3,214,047.30-646,807

Finding the Fourth Proportional to 2,142,759.64, 3,214,047.30 and 646,807

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Solution

The fourth proportional to 2,142,759.64, 3,214,047.30 and 646,807 is: 970,182.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,759.64 : 3,214,047.30 = 646,807 : x
  2. Step 2: Convert to fraction form
    2,142,759.64/3,214,047.30 = 646,807/x
  3. Step 3: Cross multiply
    2,142,759.64x = 3,214,047.30 × 646,807
  4. Step 4: Simplify right side
    2,142,759.64x = 2,078,868,291,971.10
  5. Step 5: Solve for x
    x = 2,078,868,291,971.10/2,142,759.64
  6. Step 6: Final answer
    x = 970,182.68

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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.