Home / 2,698,336.40-4,042,255.80-1,630,205.60

Finding the Fourth Proportional to 2,698,336.40, 4,042,255.80 and 1,630,205.60

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Solution

The fourth proportional to 2,698,336.40, 4,042,255.80 and 1,630,205.60 is: 2,442,137.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698,336.40 : 4,042,255.80 = 1,630,205.60 : x
  2. Step 2: Convert to fraction form
    2,698,336.40/4,042,255.80 = 1,630,205.60/x
  3. Step 3: Cross multiply
    2,698,336.40x = 4,042,255.80 × 1,630,205.60
  4. Step 4: Simplify right side
    2,698,336.40x = 6,589,708,041,792.48
  5. Step 5: Solve for x
    x = 6,589,708,041,792.48/2,698,336.40
  6. Step 6: Final answer
    x = 2,442,137.33

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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.