Home / 2,675,983.80-4,013,975.70-1,878,166.20

Finding the Fourth Proportional to 2,675,983.80, 4,013,975.70 and 1,878,166.20

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Solution

The fourth proportional to 2,675,983.80, 4,013,975.70 and 1,878,166.20 is: 2,817,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675,983.80 : 4,013,975.70 = 1,878,166.20 : x
  2. Step 2: Convert to fraction form
    2,675,983.80/4,013,975.70 = 1,878,166.20/x
  3. Step 3: Cross multiply
    2,675,983.80x = 4,013,975.70 × 1,878,166.20
  4. Step 4: Simplify right side
    2,675,983.80x = 7,538,913,487,361.34
  5. Step 5: Solve for x
    x = 7,538,913,487,361.34/2,675,983.80
  6. Step 6: Final answer
    x = 2,817,249.30

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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.