Home / 3,436,482.51-4,742,067.65-1,986,271.47

Finding the Fourth Proportional to 3,436,482.51, 4,742,067.65 and 1,986,271.47

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Solution

The fourth proportional to 3,436,482.51, 4,742,067.65 and 1,986,271.47 is: 2,740,893.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,482.51 : 4,742,067.65 = 1,986,271.47 : x
  2. Step 2: Convert to fraction form
    3,436,482.51/4,742,067.65 = 1,986,271.47/x
  3. Step 3: Cross multiply
    3,436,482.51x = 4,742,067.65 × 1,986,271.47
  4. Step 4: Simplify right side
    3,436,482.51x = 9,419,033,672,073.59
  5. Step 5: Solve for x
    x = 9,419,033,672,073.59/3,436,482.51
  6. Step 6: Final answer
    x = 2,740,893.82

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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.