Home / 4,742,197.31-7,113,314.50-1,147,958.39

Finding the Fourth Proportional to 4,742,197.31, 7,113,314.50 and 1,147,958.39

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Solution

The fourth proportional to 4,742,197.31, 7,113,314.50 and 1,147,958.39 is: 1,721,942.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742,197.31 : 7,113,314.50 = 1,147,958.39 : x
  2. Step 2: Convert to fraction form
    4,742,197.31/7,113,314.50 = 1,147,958.39/x
  3. Step 3: Cross multiply
    4,742,197.31x = 7,113,314.50 × 1,147,958.39
  4. Step 4: Simplify right side
    4,742,197.31x = 8,165,789,075,897.05
  5. Step 5: Solve for x
    x = 8,165,789,075,897.05/4,742,197.31
  6. Step 6: Final answer
    x = 1,721,942.07

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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.