Home / 2,085,346.40-3,132,685.20-2,000,328.80

Finding the Fourth Proportional to 2,085,346.40, 3,132,685.20 and 2,000,328.80

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Solution

The fourth proportional to 2,085,346.40, 3,132,685.20 and 2,000,328.80 is: 3,004,968.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,346.40 : 3,132,685.20 = 2,000,328.80 : x
  2. Step 2: Convert to fraction form
    2,085,346.40/3,132,685.20 = 2,000,328.80/x
  3. Step 3: Cross multiply
    2,085,346.40x = 3,132,685.20 × 2,000,328.80
  4. Step 4: Simplify right side
    2,085,346.40x = 6,266,400,426,893.76
  5. Step 5: Solve for x
    x = 6,266,400,426,893.76/2,085,346.40
  6. Step 6: Final answer
    x = 3,004,968.59

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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.