Home / 3,390,573.50-4,678,993.32-1,862,779.04

Finding the Fourth Proportional to 3,390,573.50, 4,678,993.32 and 1,862,779.04

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Solution

The fourth proportional to 3,390,573.50, 4,678,993.32 and 1,862,779.04 is: 2,570,636.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,573.50 : 4,678,993.32 = 1,862,779.04 : x
  2. Step 2: Convert to fraction form
    3,390,573.50/4,678,993.32 = 1,862,779.04/x
  3. Step 3: Cross multiply
    3,390,573.50x = 4,678,993.32 × 1,862,779.04
  4. Step 4: Simplify right side
    3,390,573.50x = 8,715,930,684,796.01
  5. Step 5: Solve for x
    x = 8,715,930,684,796.01/3,390,573.50
  6. Step 6: Final answer
    x = 2,570,636.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.