Home / 3,550,987.10-5,326,480.65-1,307,999.90

Finding the Fourth Proportional to 3,550,987.10, 5,326,480.65 and 1,307,999.90

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Solution

The fourth proportional to 3,550,987.10, 5,326,480.65 and 1,307,999.90 is: 1,961,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550,987.10 : 5,326,480.65 = 1,307,999.90 : x
  2. Step 2: Convert to fraction form
    3,550,987.10/5,326,480.65 = 1,307,999.90/x
  3. Step 3: Cross multiply
    3,550,987.10x = 5,326,480.65 × 1,307,999.90
  4. Step 4: Simplify right side
    3,550,987.10x = 6,967,036,157,551.94
  5. Step 5: Solve for x
    x = 6,967,036,157,551.94/3,550,987.10
  6. Step 6: Final answer
    x = 1,961,999.85

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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.