Home / 2,875,026.80-4,312,540.20-2,642,783.60

Finding the Fourth Proportional to 2,875,026.80, 4,312,540.20 and 2,642,783.60

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Solution

The fourth proportional to 2,875,026.80, 4,312,540.20 and 2,642,783.60 is: 3,964,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875,026.80 : 4,312,540.20 = 2,642,783.60 : x
  2. Step 2: Convert to fraction form
    2,875,026.80/4,312,540.20 = 2,642,783.60/x
  3. Step 3: Cross multiply
    2,875,026.80x = 4,312,540.20 × 2,642,783.60
  4. Step 4: Simplify right side
    2,875,026.80x = 11,397,110,514,900.72
  5. Step 5: Solve for x
    x = 11,397,110,514,900.72/2,875,026.80
  6. Step 6: Final answer
    x = 3,964,175.40

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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.