Home / 1,868,538.20-2,802,807.30-1,775,226.20

Finding the Fourth Proportional to 1,868,538.20, 2,802,807.30 and 1,775,226.20

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Solution

The fourth proportional to 1,868,538.20, 2,802,807.30 and 1,775,226.20 is: 2,662,839.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,538.20 : 2,802,807.30 = 1,775,226.20 : x
  2. Step 2: Convert to fraction form
    1,868,538.20/2,802,807.30 = 1,775,226.20/x
  3. Step 3: Cross multiply
    1,868,538.20x = 2,802,807.30 × 1,775,226.20
  4. Step 4: Simplify right side
    1,868,538.20x = 4,975,616,952,511.26
  5. Step 5: Solve for x
    x = 4,975,616,952,511.26/1,868,538.20
  6. Step 6: Final answer
    x = 2,662,839.30

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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.