Home / 5,742,428.31-7,919,226.63-4,191,234.57

Finding the Fourth Proportional to 5,742,428.31, 7,919,226.63 and 4,191,234.57

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Solution

The fourth proportional to 5,742,428.31, 7,919,226.63 and 4,191,234.57 is: 5,780,017.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742,428.31 : 7,919,226.63 = 4,191,234.57 : x
  2. Step 2: Convert to fraction form
    5,742,428.31/7,919,226.63 = 4,191,234.57/x
  3. Step 3: Cross multiply
    5,742,428.31x = 7,919,226.63 × 4,191,234.57
  4. Step 4: Simplify right side
    5,742,428.31x = 33,191,336,419,320.60
  5. Step 5: Solve for x
    x = 33,191,336,419,320.60/5,742,428.31
  6. Step 6: Final answer
    x = 5,780,017.55

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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.