Home / 3,168,772.79-4,372,788.38-1,878,841.31

Finding the Fourth Proportional to 3,168,772.79, 4,372,788.38 and 1,878,841.31

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Solution

The fourth proportional to 3,168,772.79, 4,372,788.38 and 1,878,841.31 is: 2,592,731.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168,772.79 : 4,372,788.38 = 1,878,841.31 : x
  2. Step 2: Convert to fraction form
    3,168,772.79/4,372,788.38 = 1,878,841.31/x
  3. Step 3: Cross multiply
    3,168,772.79x = 4,372,788.38 × 1,878,841.31
  4. Step 4: Simplify right side
    3,168,772.79x = 8,215,775,416,973.83
  5. Step 5: Solve for x
    x = 8,215,775,416,973.83/3,168,772.79
  6. Step 6: Final answer
    x = 2,592,731.00

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1.5x scale

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.