Home / 4,742,155.02-7,113,251.22-1,147,916.21

Finding the Fourth Proportional to 4,742,155.02, 7,113,251.22 and 1,147,916.21

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Solution

The fourth proportional to 4,742,155.02, 7,113,251.22 and 1,147,916.21 is: 1,721,878.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742,155.02 : 7,113,251.22 = 1,147,916.21 : x
  2. Step 2: Convert to fraction form
    4,742,155.02/7,113,251.22 = 1,147,916.21/x
  3. Step 3: Cross multiply
    4,742,155.02x = 7,113,251.22 × 1,147,916.21
  4. Step 4: Simplify right side
    4,742,155.02x = 8,165,416,341,369.33
  5. Step 5: Solve for x
    x = 8,165,416,341,369.33/4,742,155.02
  6. Step 6: Final answer
    x = 1,721,878.83

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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.