Home / 2,909,607.32-4,015,382.56-1,620,447.50

Finding the Fourth Proportional to 2,909,607.32, 4,015,382.56 and 1,620,447.50

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Solution

The fourth proportional to 2,909,607.32, 4,015,382.56 and 1,620,447.50 is: 2,236,286.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,607.32 : 4,015,382.56 = 1,620,447.50 : x
  2. Step 2: Convert to fraction form
    2,909,607.32/4,015,382.56 = 1,620,447.50/x
  3. Step 3: Cross multiply
    2,909,607.32x = 4,015,382.56 × 1,620,447.50
  4. Step 4: Simplify right side
    2,909,607.32x = 6,506,716,630,895.60
  5. Step 5: Solve for x
    x = 6,506,716,630,895.60/2,909,607.32
  6. Step 6: Final answer
    x = 2,236,286.86

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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.