Home / 5,390,392.40-8,085,588.60-2,197,809.80

Finding the Fourth Proportional to 5,390,392.40, 8,085,588.60 and 2,197,809.80

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Solution

The fourth proportional to 5,390,392.40, 8,085,588.60 and 2,197,809.80 is: 3,296,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,392.40 : 8,085,588.60 = 2,197,809.80 : x
  2. Step 2: Convert to fraction form
    5,390,392.40/8,085,588.60 = 2,197,809.80/x
  3. Step 3: Cross multiply
    5,390,392.40x = 8,085,588.60 × 2,197,809.80
  4. Step 4: Simplify right side
    5,390,392.40x = 17,770,585,863,848.28
  5. Step 5: Solve for x
    x = 17,770,585,863,848.28/5,390,392.40
  6. Step 6: Final answer
    x = 3,296,714.70

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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.