Home / 4,742,182.20-7,113,292.02-1,147,943.43

Finding the Fourth Proportional to 4,742,182.20, 7,113,292.02 and 1,147,943.43

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Solution

The fourth proportional to 4,742,182.20, 7,113,292.02 and 1,147,943.43 is: 1,721,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742,182.20 : 7,113,292.02 = 1,147,943.43 : x
  2. Step 2: Convert to fraction form
    4,742,182.20/7,113,292.02 = 1,147,943.43/x
  3. Step 3: Cross multiply
    4,742,182.20x = 7,113,292.02 × 1,147,943.43
  4. Step 4: Simplify right side
    4,742,182.20x = 8,165,656,840,030.43
  5. Step 5: Solve for x
    x = 8,165,656,840,030.43/4,742,182.20
  6. Step 6: Final answer
    x = 1,721,919.68

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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.