Home / 2,576,543.40-3,864,815.10-1,820,716.20

Finding the Fourth Proportional to 2,576,543.40, 3,864,815.10 and 1,820,716.20

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Solution

The fourth proportional to 2,576,543.40, 3,864,815.10 and 1,820,716.20 is: 2,731,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576,543.40 : 3,864,815.10 = 1,820,716.20 : x
  2. Step 2: Convert to fraction form
    2,576,543.40/3,864,815.10 = 1,820,716.20/x
  3. Step 3: Cross multiply
    2,576,543.40x = 3,864,815.10 × 1,820,716.20
  4. Step 4: Simplify right side
    2,576,543.40x = 7,036,731,462,574.62
  5. Step 5: Solve for x
    x = 7,036,731,462,574.62/2,576,543.40
  6. Step 6: Final answer
    x = 2,731,074.30

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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.