Home / 2,060,221.60-3,090,332.40-640,266.40

Finding the Fourth Proportional to 2,060,221.60, 3,090,332.40 and 640,266.40

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Solution

The fourth proportional to 2,060,221.60, 3,090,332.40 and 640,266.40 is: 960,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,060,221.60 : 3,090,332.40 = 640,266.40 : x
  2. Step 2: Convert to fraction form
    2,060,221.60/3,090,332.40 = 640,266.40/x
  3. Step 3: Cross multiply
    2,060,221.60x = 3,090,332.40 × 640,266.40
  4. Step 4: Simplify right side
    2,060,221.60x = 1,978,636,000,551.36
  5. Step 5: Solve for x
    x = 1,978,636,000,551.36/2,060,221.60
  6. Step 6: Final answer
    x = 960,399.60

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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.