Home / 1,889,531.72-2,835,935.38-991,607.84

Finding the Fourth Proportional to 1,889,531.72, 2,835,935.38 and 991,607.84

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Solution

The fourth proportional to 1,889,531.72, 2,835,935.38 and 991,607.84 is: 1,488,271.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,531.72 : 2,835,935.38 = 991,607.84 : x
  2. Step 2: Convert to fraction form
    1,889,531.72/2,835,935.38 = 991,607.84/x
  3. Step 3: Cross multiply
    1,889,531.72x = 2,835,935.38 × 991,607.84
  4. Step 4: Simplify right side
    1,889,531.72x = 2,812,135,742,361.70
  5. Step 5: Solve for x
    x = 2,812,135,742,361.70/1,889,531.72
  6. Step 6: Final answer
    x = 1,488,271.26

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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.