Home / 1,936,401.60-2,904,602.40-1,489,378.80

Finding the Fourth Proportional to 1,936,401.60, 2,904,602.40 and 1,489,378.80

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Solution

The fourth proportional to 1,936,401.60, 2,904,602.40 and 1,489,378.80 is: 2,234,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,401.60 : 2,904,602.40 = 1,489,378.80 : x
  2. Step 2: Convert to fraction form
    1,936,401.60/2,904,602.40 = 1,489,378.80/x
  3. Step 3: Cross multiply
    1,936,401.60x = 2,904,602.40 × 1,489,378.80
  4. Step 4: Simplify right side
    1,936,401.60x = 4,326,053,236,989.12
  5. Step 5: Solve for x
    x = 4,326,053,236,989.12/1,936,401.60
  6. Step 6: Final answer
    x = 2,234,068.20

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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.