Home / 2,078,032.20-3,117,048.30-1,980,601.35

Finding the Fourth Proportional to 2,078,032.20, 3,117,048.30 and 1,980,601.35

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Solution

The fourth proportional to 2,078,032.20, 3,117,048.30 and 1,980,601.35 is: 2,970,902.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,032.20 : 3,117,048.30 = 1,980,601.35 : x
  2. Step 2: Convert to fraction form
    2,078,032.20/3,117,048.30 = 1,980,601.35/x
  3. Step 3: Cross multiply
    2,078,032.20x = 3,117,048.30 × 1,980,601.35
  4. Step 4: Simplify right side
    2,078,032.20x = 6,173,630,070,995.21
  5. Step 5: Solve for x
    x = 6,173,630,070,995.21/2,078,032.20
  6. Step 6: Final answer
    x = 2,970,902.03

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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.