Home / 3,828,551.67-5,742,938.88-1,431,939.06

Finding the Fourth Proportional to 3,828,551.67, 5,742,938.88 and 1,431,939.06

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Solution

The fourth proportional to 3,828,551.67, 5,742,938.88 and 1,431,939.06 is: 2,147,950.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,551.67 : 5,742,938.88 = 1,431,939.06 : x
  2. Step 2: Convert to fraction form
    3,828,551.67/5,742,938.88 = 1,431,939.06/x
  3. Step 3: Cross multiply
    3,828,551.67x = 5,742,938.88 × 1,431,939.06
  4. Step 4: Simplify right side
    3,828,551.67x = 8,223,538,501,464.65
  5. Step 5: Solve for x
    x = 8,223,538,501,464.65/3,828,551.67
  6. Step 6: Final answer
    x = 2,147,950.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.