Home / 5,128,160.80-7,692,932.40-1,763,399.20

Finding the Fourth Proportional to 5,128,160.80, 7,692,932.40 and 1,763,399.20

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Solution

The fourth proportional to 5,128,160.80, 7,692,932.40 and 1,763,399.20 is: 2,645,336.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,160.80 : 7,692,932.40 = 1,763,399.20 : x
  2. Step 2: Convert to fraction form
    5,128,160.80/7,692,932.40 = 1,763,399.20/x
  3. Step 3: Cross multiply
    5,128,160.80x = 7,692,932.40 × 1,763,399.20
  4. Step 4: Simplify right side
    5,128,160.80x = 13,565,710,839,814.08
  5. Step 5: Solve for x
    x = 13,565,710,839,814.08/5,128,160.80
  6. Step 6: Final answer
    x = 2,645,336.48

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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.