Home / 3,907,809.68-5,390,084.04-2,748,714.32

Finding the Fourth Proportional to 3,907,809.68, 5,390,084.04 and 2,748,714.32

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Solution

The fourth proportional to 3,907,809.68, 5,390,084.04 and 2,748,714.32 is: 3,791,331.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907,809.68 : 5,390,084.04 = 2,748,714.32 : x
  2. Step 2: Convert to fraction form
    3,907,809.68/5,390,084.04 = 2,748,714.32/x
  3. Step 3: Cross multiply
    3,907,809.68x = 5,390,084.04 × 2,748,714.32
  4. Step 4: Simplify right side
    3,907,809.68x = 14,815,801,186,751.45
  5. Step 5: Solve for x
    x = 14,815,801,186,751.45/3,907,809.68
  6. Step 6: Final answer
    x = 3,791,331.31

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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.