Home / 6,477,021.60-9,715,532.40-1,988,714.40

Finding the Fourth Proportional to 6,477,021.60, 9,715,532.40 and 1,988,714.40

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Solution

The fourth proportional to 6,477,021.60, 9,715,532.40 and 1,988,714.40 is: 2,983,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477,021.60 : 9,715,532.40 = 1,988,714.40 : x
  2. Step 2: Convert to fraction form
    6,477,021.60/9,715,532.40 = 1,988,714.40/x
  3. Step 3: Cross multiply
    6,477,021.60x = 9,715,532.40 × 1,988,714.40
  4. Step 4: Simplify right side
    6,477,021.60x = 19,321,419,187,546.56
  5. Step 5: Solve for x
    x = 19,321,419,187,546.56/6,477,021.60
  6. Step 6: Final answer
    x = 2,983,071.60

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1.5x scale

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.