Home / 1,991,698.64-2,987,548.60-662,002.64

Finding the Fourth Proportional to 1,991,698.64, 2,987,548.60 and 662,002.64

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Solution

The fourth proportional to 1,991,698.64, 2,987,548.60 and 662,002.64 is: 993,004.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,698.64 : 2,987,548.60 = 662,002.64 : x
  2. Step 2: Convert to fraction form
    1,991,698.64/2,987,548.60 = 662,002.64/x
  3. Step 3: Cross multiply
    1,991,698.64x = 2,987,548.60 × 662,002.64
  4. Step 4: Simplify right side
    1,991,698.64x = 1,977,765,060,328.30
  5. Step 5: Solve for x
    x = 1,977,765,060,328.30/1,991,698.64
  6. Step 6: Final answer
    x = 993,004.17

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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.