Home / 2,048,407.80-3,072,611.70-628,461.60

Finding the Fourth Proportional to 2,048,407.80, 3,072,611.70 and 628,461.60

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Solution

The fourth proportional to 2,048,407.80, 3,072,611.70 and 628,461.60 is: 942,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048,407.80 : 3,072,611.70 = 628,461.60 : x
  2. Step 2: Convert to fraction form
    2,048,407.80/3,072,611.70 = 628,461.60/x
  3. Step 3: Cross multiply
    2,048,407.80x = 3,072,611.70 × 628,461.60
  4. Step 4: Simplify right side
    2,048,407.80x = 1,931,018,465,160.72
  5. Step 5: Solve for x
    x = 1,931,018,465,160.72/2,048,407.80
  6. Step 6: Final answer
    x = 942,692.40

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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.