Home / 4,742,157.53-7,113,254.97-1,147,918.71

Finding the Fourth Proportional to 4,742,157.53, 7,113,254.97 and 1,147,918.71

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Solution

The fourth proportional to 4,742,157.53, 7,113,254.97 and 1,147,918.71 is: 1,721,882.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742,157.53 : 7,113,254.97 = 1,147,918.71 : x
  2. Step 2: Convert to fraction form
    4,742,157.53/7,113,254.97 = 1,147,918.71/x
  3. Step 3: Cross multiply
    4,742,157.53x = 7,113,254.97 × 1,147,918.71
  4. Step 4: Simplify right side
    4,742,157.53x = 8,165,438,433,497.21
  5. Step 5: Solve for x
    x = 8,165,438,433,497.21/4,742,157.53
  6. Step 6: Final answer
    x = 1,721,882.58

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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.