Home / 1,854,772.80-2,784,002.40-909,211.20

Finding the Fourth Proportional to 1,854,772.80, 2,784,002.40 and 909,211.20

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Solution

The fourth proportional to 1,854,772.80, 2,784,002.40 and 909,211.20 is: 1,364,720.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854,772.80 : 2,784,002.40 = 909,211.20 : x
  2. Step 2: Convert to fraction form
    1,854,772.80/2,784,002.40 = 909,211.20/x
  3. Step 3: Cross multiply
    1,854,772.80x = 2,784,002.40 × 909,211.20
  4. Step 4: Simplify right side
    1,854,772.80x = 2,531,246,162,906.88
  5. Step 5: Solve for x
    x = 2,531,246,162,906.88/1,854,772.80
  6. Step 6: Final answer
    x = 1,364,720.34

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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.