Home / 2,969,486.40-4,097,902.08-1,611,359.36

Finding the Fourth Proportional to 2,969,486.40, 4,097,902.08 and 1,611,359.36

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Solution

The fourth proportional to 2,969,486.40, 4,097,902.08 and 1,611,359.36 is: 2,223,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969,486.40 : 4,097,902.08 = 1,611,359.36 : x
  2. Step 2: Convert to fraction form
    2,969,486.40/4,097,902.08 = 1,611,359.36/x
  3. Step 3: Cross multiply
    2,969,486.40x = 4,097,902.08 × 1,611,359.36
  4. Step 4: Simplify right side
    2,969,486.40x = 6,603,192,872,971.47
  5. Step 5: Solve for x
    x = 6,603,192,872,971.47/2,969,486.40
  6. Step 6: Final answer
    x = 2,223,681.80

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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.