Home / 4,742,090.78-7,113,154.62-1,147,851.96

Finding the Fourth Proportional to 4,742,090.78, 7,113,154.62 and 1,147,851.96

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Solution

The fourth proportional to 4,742,090.78, 7,113,154.62 and 1,147,851.96 is: 1,721,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742,090.78 : 7,113,154.62 = 1,147,851.96 : x
  2. Step 2: Convert to fraction form
    4,742,090.78/7,113,154.62 = 1,147,851.96/x
  3. Step 3: Cross multiply
    4,742,090.78x = 7,113,154.62 × 1,147,851.96
  4. Step 4: Simplify right side
    4,742,090.78x = 8,164,848,441,371.28
  5. Step 5: Solve for x
    x = 8,164,848,441,371.28/4,742,090.78
  6. Step 6: Final answer
    x = 1,721,782.40

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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.