Home / 2,620,699.23-3,931,070.85-727,588.29

Finding the Fourth Proportional to 2,620,699.23, 3,931,070.85 and 727,588.29

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Solution

The fourth proportional to 2,620,699.23, 3,931,070.85 and 727,588.29 is: 1,091,388.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,699.23 : 3,931,070.85 = 727,588.29 : x
  2. Step 2: Convert to fraction form
    2,620,699.23/3,931,070.85 = 727,588.29/x
  3. Step 3: Cross multiply
    2,620,699.23x = 3,931,070.85 × 727,588.29
  4. Step 4: Simplify right side
    2,620,699.23x = 2,860,201,117,620.35
  5. Step 5: Solve for x
    x = 2,860,201,117,620.35/2,620,699.23
  6. Step 6: Final answer
    x = 1,091,388.54

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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.