Home / 2,078,280.10-3,111,199.35-1,854,331.30

Finding the Fourth Proportional to 2,078,280.10, 3,111,199.35 and 1,854,331.30

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Solution

The fourth proportional to 2,078,280.10, 3,111,199.35 and 1,854,331.30 is: 2,775,946.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,280.10 : 3,111,199.35 = 1,854,331.30 : x
  2. Step 2: Convert to fraction form
    2,078,280.10/3,111,199.35 = 1,854,331.30/x
  3. Step 3: Cross multiply
    2,078,280.10x = 3,111,199.35 × 1,854,331.30
  4. Step 4: Simplify right side
    2,078,280.10x = 5,769,194,335,244.66
  5. Step 5: Solve for x
    x = 5,769,194,335,244.66/2,078,280.10
  6. Step 6: Final answer
    x = 2,775,946.48

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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.