Home / 2,909,647.95-4,015,311.42-1,686,661.74

Finding the Fourth Proportional to 2,909,647.95, 4,015,311.42 and 1,686,661.74

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Solution

The fourth proportional to 2,909,647.95, 4,015,311.42 and 1,686,661.74 is: 2,327,591.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,647.95 : 4,015,311.42 = 1,686,661.74 : x
  2. Step 2: Convert to fraction form
    2,909,647.95/4,015,311.42 = 1,686,661.74/x
  3. Step 3: Cross multiply
    2,909,647.95x = 4,015,311.42 × 1,686,661.74
  4. Step 4: Simplify right side
    2,909,647.95x = 6,772,472,146,299.07
  5. Step 5: Solve for x
    x = 6,772,472,146,299.07/2,909,647.95
  6. Step 6: Final answer
    x = 2,327,591.61

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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.