Home / 3,971,999.80-5,957,999.70-1,312,607.80

Finding the Fourth Proportional to 3,971,999.80, 5,957,999.70 and 1,312,607.80

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Solution

The fourth proportional to 3,971,999.80, 5,957,999.70 and 1,312,607.80 is: 1,968,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971,999.80 : 5,957,999.70 = 1,312,607.80 : x
  2. Step 2: Convert to fraction form
    3,971,999.80/5,957,999.70 = 1,312,607.80/x
  3. Step 3: Cross multiply
    3,971,999.80x = 5,957,999.70 × 1,312,607.80
  4. Step 4: Simplify right side
    3,971,999.80x = 7,820,516,878,617.66
  5. Step 5: Solve for x
    x = 7,820,516,878,617.66/3,971,999.80
  6. Step 6: Final answer
    x = 1,968,911.70

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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.