Home / 2,698,336.90-4,042,256.55-1,630,206.10

Finding the Fourth Proportional to 2,698,336.90, 4,042,256.55 and 1,630,206.10

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Solution

The fourth proportional to 2,698,336.90, 4,042,256.55 and 1,630,206.10 is: 2,442,138.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698,336.90 : 4,042,256.55 = 1,630,206.10 : x
  2. Step 2: Convert to fraction form
    2,698,336.90/4,042,256.55 = 1,630,206.10/x
  3. Step 3: Cross multiply
    2,698,336.90x = 4,042,256.55 × 1,630,206.10
  4. Step 4: Simplify right side
    2,698,336.90x = 6,589,711,285,574.96
  5. Step 5: Solve for x
    x = 6,589,711,285,574.96/2,698,336.90
  6. Step 6: Final answer
    x = 2,442,138.08

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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.