Home / 1,866,531.51-2,570,390.73-1,621,404.36

Finding the Fourth Proportional to 1,866,531.51, 2,570,390.73 and 1,621,404.36

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Solution

The fourth proportional to 1,866,531.51, 2,570,390.73 and 1,621,404.36 is: 2,232,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,531.51 : 2,570,390.73 = 1,621,404.36 : x
  2. Step 2: Convert to fraction form
    1,866,531.51/2,570,390.73 = 1,621,404.36/x
  3. Step 3: Cross multiply
    1,866,531.51x = 2,570,390.73 × 1,621,404.36
  4. Step 4: Simplify right side
    1,866,531.51x = 4,167,642,736,525.58
  5. Step 5: Solve for x
    x = 4,167,642,736,525.58/1,866,531.51
  6. Step 6: Final answer
    x = 2,232,827.42

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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.