Home / 3,118,255.40-4,676,000.70-1,435,874.60

Finding the Fourth Proportional to 3,118,255.40, 4,676,000.70 and 1,435,874.60

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Solution

The fourth proportional to 3,118,255.40, 4,676,000.70 and 1,435,874.60 is: 2,153,175.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,255.40 : 4,676,000.70 = 1,435,874.60 : x
  2. Step 2: Convert to fraction form
    3,118,255.40/4,676,000.70 = 1,435,874.60/x
  3. Step 3: Cross multiply
    3,118,255.40x = 4,676,000.70 × 1,435,874.60
  4. Step 4: Simplify right side
    3,118,255.40x = 6,714,150,634,712.22
  5. Step 5: Solve for x
    x = 6,714,150,634,712.22/3,118,255.40
  6. Step 6: Final answer
    x = 2,153,175.34

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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.