Home / 1,899,272.51-2,620,994.86-1,039,832.54

Finding the Fourth Proportional to 1,899,272.51, 2,620,994.86 and 1,039,832.54

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Solution

The fourth proportional to 1,899,272.51, 2,620,994.86 and 1,039,832.54 is: 1,434,968.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,272.51 : 2,620,994.86 = 1,039,832.54 : x
  2. Step 2: Convert to fraction form
    1,899,272.51/2,620,994.86 = 1,039,832.54/x
  3. Step 3: Cross multiply
    1,899,272.51x = 2,620,994.86 × 1,039,832.54
  4. Step 4: Simplify right side
    1,899,272.51x = 2,725,395,742,600.74
  5. Step 5: Solve for x
    x = 2,725,395,742,600.74/1,899,272.51
  6. Step 6: Final answer
    x = 1,434,968.25

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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.