Home / 2,051,205.80-3,076,808.70-1,820,914.70

Finding the Fourth Proportional to 2,051,205.80, 3,076,808.70 and 1,820,914.70

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Solution

The fourth proportional to 2,051,205.80, 3,076,808.70 and 1,820,914.70 is: 2,731,372.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051,205.80 : 3,076,808.70 = 1,820,914.70 : x
  2. Step 2: Convert to fraction form
    2,051,205.80/3,076,808.70 = 1,820,914.70/x
  3. Step 3: Cross multiply
    2,051,205.80x = 3,076,808.70 × 1,820,914.70
  4. Step 4: Simplify right side
    2,051,205.80x = 5,602,606,190,917.89
  5. Step 5: Solve for x
    x = 5,602,606,190,917.89/2,051,205.80
  6. Step 6: Final answer
    x = 2,731,372.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.