Home / 2,917,688.80-4,374,200.40-1,233,407.20

Finding the Fourth Proportional to 2,917,688.80, 4,374,200.40 and 1,233,407.20

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Solution

The fourth proportional to 2,917,688.80, 4,374,200.40 and 1,233,407.20 is: 1,849,124.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917,688.80 : 4,374,200.40 = 1,233,407.20 : x
  2. Step 2: Convert to fraction form
    2,917,688.80/4,374,200.40 = 1,233,407.20/x
  3. Step 3: Cross multiply
    2,917,688.80x = 4,374,200.40 × 1,233,407.20
  4. Step 4: Simplify right side
    2,917,688.80x = 5,395,170,267,602.88
  5. Step 5: Solve for x
    x = 5,395,170,267,602.88/2,917,688.80
  6. Step 6: Final answer
    x = 1,849,124.65

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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.