Home / 2,698,174.40-4,042,012.80-1,630,043.60

Finding the Fourth Proportional to 2,698,174.40, 4,042,012.80 and 1,630,043.60

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Solution

The fourth proportional to 2,698,174.40, 4,042,012.80 and 1,630,043.60 is: 2,441,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698,174.40 : 4,042,012.80 = 1,630,043.60 : x
  2. Step 2: Convert to fraction form
    2,698,174.40/4,042,012.80 = 1,630,043.60/x
  3. Step 3: Cross multiply
    2,698,174.40x = 4,042,012.80 × 1,630,043.60
  4. Step 4: Simplify right side
    2,698,174.40x = 6,588,657,095,758.08
  5. Step 5: Solve for x
    x = 6,588,657,095,758.08/2,698,174.40
  6. Step 6: Final answer
    x = 2,441,894.45

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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.