Home / 2,254,546.78-3,111,210.21-1,287,657.08

Finding the Fourth Proportional to 2,254,546.78, 3,111,210.21 and 1,287,657.08

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Solution

The fourth proportional to 2,254,546.78, 3,111,210.21 and 1,287,657.08 is: 1,776,930.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254,546.78 : 3,111,210.21 = 1,287,657.08 : x
  2. Step 2: Convert to fraction form
    2,254,546.78/3,111,210.21 = 1,287,657.08/x
  3. Step 3: Cross multiply
    2,254,546.78x = 3,111,210.21 × 1,287,657.08
  4. Step 4: Simplify right side
    2,254,546.78x = 4,006,171,854,274.79
  5. Step 5: Solve for x
    x = 4,006,171,854,274.79/2,254,546.78
  6. Step 6: Final answer
    x = 1,776,930.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.