Home / 4,140,355.40-6,210,781.20-1,300,467.56

Finding the Fourth Proportional to 4,140,355.40, 6,210,781.20 and 1,300,467.56

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Solution

The fourth proportional to 4,140,355.40, 6,210,781.20 and 1,300,467.56 is: 1,950,779.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140,355.40 : 6,210,781.20 = 1,300,467.56 : x
  2. Step 2: Convert to fraction form
    4,140,355.40/6,210,781.20 = 1,300,467.56/x
  3. Step 3: Cross multiply
    4,140,355.40x = 6,210,781.20 × 1,300,467.56
  4. Step 4: Simplify right side
    4,140,355.40x = 8,076,919,472,857.87
  5. Step 5: Solve for x
    x = 8,076,919,472,857.87/4,140,355.40
  6. Step 6: Final answer
    x = 1,950,779.27

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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.