Home / 2,915,723.22-4,023,665.28-1,608,985.32

Finding the Fourth Proportional to 2,915,723.22, 4,023,665.28 and 1,608,985.32

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Solution

The fourth proportional to 2,915,723.22, 4,023,665.28 and 1,608,985.32 is: 2,220,381.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,723.22 : 4,023,665.28 = 1,608,985.32 : x
  2. Step 2: Convert to fraction form
    2,915,723.22/4,023,665.28 = 1,608,985.32/x
  3. Step 3: Cross multiply
    2,915,723.22x = 4,023,665.28 × 1,608,985.32
  4. Step 4: Simplify right side
    2,915,723.22x = 6,474,018,368,113.69
  5. Step 5: Solve for x
    x = 6,474,018,368,113.69/2,915,723.22
  6. Step 6: Final answer
    x = 2,220,381.66

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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.