Home / 1,899,284.78-2,621,011.74-1,039,844.82

Finding the Fourth Proportional to 1,899,284.78, 2,621,011.74 and 1,039,844.82

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Solution

The fourth proportional to 1,899,284.78, 2,621,011.74 and 1,039,844.82 is: 1,434,985.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,284.78 : 2,621,011.74 = 1,039,844.82 : x
  2. Step 2: Convert to fraction form
    1,899,284.78/2,621,011.74 = 1,039,844.82/x
  3. Step 3: Cross multiply
    1,899,284.78x = 2,621,011.74 × 1,039,844.82
  4. Step 4: Simplify right side
    1,899,284.78x = 2,725,445,480,998.19
  5. Step 5: Solve for x
    x = 2,725,445,480,998.19/1,899,284.78
  6. Step 6: Final answer
    x = 1,434,985.16

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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.