Home / 1,445,631.10-2,168,446.65-1,214,683.90

Finding the Fourth Proportional to 1,445,631.10, 2,168,446.65 and 1,214,683.90

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Solution

The fourth proportional to 1,445,631.10, 2,168,446.65 and 1,214,683.90 is: 1,822,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,631.10 : 2,168,446.65 = 1,214,683.90 : x
  2. Step 2: Convert to fraction form
    1,445,631.10/2,168,446.65 = 1,214,683.90/x
  3. Step 3: Cross multiply
    1,445,631.10x = 2,168,446.65 × 1,214,683.90
  4. Step 4: Simplify right side
    1,445,631.10x = 2,633,977,233,763.93
  5. Step 5: Solve for x
    x = 2,633,977,233,763.93/1,445,631.10
  6. Step 6: Final answer
    x = 1,822,025.85

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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.