Home / 3,768,038.40-5,652,403.20-1,243,699.20

Finding the Fourth Proportional to 3,768,038.40, 5,652,403.20 and 1,243,699.20

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Solution

The fourth proportional to 3,768,038.40, 5,652,403.20 and 1,243,699.20 is: 1,865,662.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768,038.40 : 5,652,403.20 = 1,243,699.20 : x
  2. Step 2: Convert to fraction form
    3,768,038.40/5,652,403.20 = 1,243,699.20/x
  3. Step 3: Cross multiply
    3,768,038.40x = 5,652,403.20 × 1,243,699.20
  4. Step 4: Simplify right side
    3,768,038.40x = 7,029,889,337,917.44
  5. Step 5: Solve for x
    x = 7,029,889,337,917.44/3,768,038.40
  6. Step 6: Final answer
    x = 1,865,662.87

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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.