Home / 1,929,647.90-2,894,611.20-509,685.50

Finding the Fourth Proportional to 1,929,647.90, 2,894,611.20 and 509,685.50

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Solution

The fourth proportional to 1,929,647.90, 2,894,611.20 and 509,685.50 is: 764,565.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,647.90 : 2,894,611.20 = 509,685.50 : x
  2. Step 2: Convert to fraction form
    1,929,647.90/2,894,611.20 = 509,685.50/x
  3. Step 3: Cross multiply
    1,929,647.90x = 2,894,611.20 × 509,685.50
  4. Step 4: Simplify right side
    1,929,647.90x = 1,475,341,356,777.60
  5. Step 5: Solve for x
    x = 1,475,341,356,777.60/1,929,647.90
  6. Step 6: Final answer
    x = 764,565.06

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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.