Home / 2,698,354.40-4,042,282.80-1,630,223.60

Finding the Fourth Proportional to 2,698,354.40, 4,042,282.80 and 1,630,223.60

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Solution

The fourth proportional to 2,698,354.40, 4,042,282.80 and 1,630,223.60 is: 2,442,164.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698,354.40 : 4,042,282.80 = 1,630,223.60 : x
  2. Step 2: Convert to fraction form
    2,698,354.40/4,042,282.80 = 1,630,223.60/x
  3. Step 3: Cross multiply
    2,698,354.40x = 4,042,282.80 × 1,630,223.60
  4. Step 4: Simplify right side
    2,698,354.40x = 6,589,824,818,434.08
  5. Step 5: Solve for x
    x = 6,589,824,818,434.08/2,698,354.40
  6. Step 6: Final answer
    x = 2,442,164.31

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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.