Home / 1,892,369.40-2,839,210.20-828,175.20

Finding the Fourth Proportional to 1,892,369.40, 2,839,210.20 and 828,175.20

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Solution

The fourth proportional to 1,892,369.40, 2,839,210.20 and 828,175.20 is: 1,242,549.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,369.40 : 2,839,210.20 = 828,175.20 : x
  2. Step 2: Convert to fraction form
    1,892,369.40/2,839,210.20 = 828,175.20/x
  3. Step 3: Cross multiply
    1,892,369.40x = 2,839,210.20 × 828,175.20
  4. Step 4: Simplify right side
    1,892,369.40x = 2,351,363,475,227.04
  5. Step 5: Solve for x
    x = 2,351,363,475,227.04/1,892,369.40
  6. Step 6: Final answer
    x = 1,242,549.94

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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.