Home / 2,210,128.64-3,049,690.56-1,243,226.24

Finding the Fourth Proportional to 2,210,128.64, 3,049,690.56 and 1,243,226.24

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Solution

The fourth proportional to 2,210,128.64, 3,049,690.56 and 1,243,226.24 is: 1,715,490.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210,128.64 : 3,049,690.56 = 1,243,226.24 : x
  2. Step 2: Convert to fraction form
    2,210,128.64/3,049,690.56 = 1,243,226.24/x
  3. Step 3: Cross multiply
    2,210,128.64x = 3,049,690.56 × 1,243,226.24
  4. Step 4: Simplify right side
    2,210,128.64x = 3,791,455,328,072.29
  5. Step 5: Solve for x
    x = 3,791,455,328,072.29/2,210,128.64
  6. Step 6: Final answer
    x = 1,715,490.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.