Home / 3,389,128.94-4,676,980.93-1,840,376.78

Finding the Fourth Proportional to 3,389,128.94, 4,676,980.93 and 1,840,376.78

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Solution

The fourth proportional to 3,389,128.94, 4,676,980.93 and 1,840,376.78 is: 2,539,710.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389,128.94 : 4,676,980.93 = 1,840,376.78 : x
  2. Step 2: Convert to fraction form
    3,389,128.94/4,676,980.93 = 1,840,376.78/x
  3. Step 3: Cross multiply
    3,389,128.94x = 4,676,980.93 × 1,840,376.78
  4. Step 4: Simplify right side
    3,389,128.94x = 8,607,407,100,529.05
  5. Step 5: Solve for x
    x = 8,607,407,100,529.05/3,389,128.94
  6. Step 6: Final answer
    x = 2,539,710.72

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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.