Home / 3,436,538.08-4,742,422.40-1,908,787.36

Finding the Fourth Proportional to 3,436,538.08, 4,742,422.40 and 1,908,787.36

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Solution

The fourth proportional to 3,436,538.08, 4,742,422.40 and 1,908,787.36 is: 2,634,126.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,538.08 : 4,742,422.40 = 1,908,787.36 : x
  2. Step 2: Convert to fraction form
    3,436,538.08/4,742,422.40 = 1,908,787.36/x
  3. Step 3: Cross multiply
    3,436,538.08x = 4,742,422.40 × 1,908,787.36
  4. Step 4: Simplify right side
    3,436,538.08x = 9,052,275,932,900.87
  5. Step 5: Solve for x
    x = 9,052,275,932,900.87/3,436,538.08
  6. Step 6: Final answer
    x = 2,634,126.47

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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.