Home / 4,213,420.83-5,814,479.41-2,279,638.98

Finding the Fourth Proportional to 4,213,420.83, 5,814,479.41 and 2,279,638.98

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Solution

The fourth proportional to 4,213,420.83, 5,814,479.41 and 2,279,638.98 is: 3,145,879.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213,420.83 : 5,814,479.41 = 2,279,638.98 : x
  2. Step 2: Convert to fraction form
    4,213,420.83/5,814,479.41 = 2,279,638.98/x
  3. Step 3: Cross multiply
    4,213,420.83x = 5,814,479.41 × 2,279,638.98
  4. Step 4: Simplify right side
    4,213,420.83x = 13,254,913,911,443.40
  5. Step 5: Solve for x
    x = 13,254,913,911,443.40/4,213,420.83
  6. Step 6: Final answer
    x = 3,145,879.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.