Home / 2,999,405.58-4,139,168.28-1,622,745

Finding the Fourth Proportional to 2,999,405.58, 4,139,168.28 and 1,622,745

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Solution

The fourth proportional to 2,999,405.58, 4,139,168.28 and 1,622,745 is: 2,239,381.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,405.58 : 4,139,168.28 = 1,622,745 : x
  2. Step 2: Convert to fraction form
    2,999,405.58/4,139,168.28 = 1,622,745/x
  3. Step 3: Cross multiply
    2,999,405.58x = 4,139,168.28 × 1,622,745
  4. Step 4: Simplify right side
    2,999,405.58x = 6,716,814,630,528.60
  5. Step 5: Solve for x
    x = 6,716,814,630,528.60/2,999,405.58
  6. Step 6: Final answer
    x = 2,239,381.92

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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.