Home / 5,430,017.90-8,149,619.55-2,237,435.30

Finding the Fourth Proportional to 5,430,017.90, 8,149,619.55 and 2,237,435.30

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Solution

The fourth proportional to 5,430,017.90, 8,149,619.55 and 2,237,435.30 is: 3,358,045.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,017.90 : 8,149,619.55 = 2,237,435.30 : x
  2. Step 2: Convert to fraction form
    5,430,017.90/8,149,619.55 = 2,237,435.30/x
  3. Step 3: Cross multiply
    5,430,017.90x = 8,149,619.55 × 2,237,435.30
  4. Step 4: Simplify right side
    5,430,017.90x = 18,234,246,462,740.11
  5. Step 5: Solve for x
    x = 18,234,246,462,740.11/5,430,017.90
  6. Step 6: Final answer
    x = 3,358,045.37

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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.