Home / 2,949,680.86-4,070,638.34-1,660,570.05

Finding the Fourth Proportional to 2,949,680.86, 4,070,638.34 and 1,660,570.05

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Solution

The fourth proportional to 2,949,680.86, 4,070,638.34 and 1,660,570.05 is: 2,291,630.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949,680.86 : 4,070,638.34 = 1,660,570.05 : x
  2. Step 2: Convert to fraction form
    2,949,680.86/4,070,638.34 = 1,660,570.05/x
  3. Step 3: Cross multiply
    2,949,680.86x = 4,070,638.34 × 1,660,570.05
  4. Step 4: Simplify right side
    2,949,680.86x = 6,759,580,083,129.68
  5. Step 5: Solve for x
    x = 6,759,580,083,129.68/2,949,680.86
  6. Step 6: Final answer
    x = 2,291,630.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.