Home / 1,899,725.51-2,621,642.32-1,028,579.50

Finding the Fourth Proportional to 1,899,725.51, 2,621,642.32 and 1,028,579.50

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Solution

The fourth proportional to 1,899,725.51, 2,621,642.32 and 1,028,579.50 is: 1,419,451.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,725.51 : 2,621,642.32 = 1,028,579.50 : x
  2. Step 2: Convert to fraction form
    1,899,725.51/2,621,642.32 = 1,028,579.50/x
  3. Step 3: Cross multiply
    1,899,725.51x = 2,621,642.32 × 1,028,579.50
  4. Step 4: Simplify right side
    1,899,725.51x = 2,696,567,547,390.04
  5. Step 5: Solve for x
    x = 2,696,567,547,390.04/1,899,725.51
  6. Step 6: Final answer
    x = 1,419,451.14

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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.