Finding the Fourth Proportional to 6,445,257.75, 8,894,679.26 and 3,544,868.07
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Solution
The fourth proportional to 6,445,257.75, 8,894,679.26 and 3,544,868.07 is: 4,892,040.89
Step by Step Solution
- Step 1: Write the proportion equation
6,445,257.75 : 8,894,679.26 = 3,544,868.07 : x - Step 2: Convert to fraction form
6,445,257.75/8,894,679.26 = 3,544,868.07/x - Step 3: Cross multiply
6,445,257.75x = 8,894,679.26 × 3,544,868.07 - Step 4: Simplify right side
6,445,257.75x = 31,530,464,483,940.89 - Step 5: Solve for x
x = 31,530,464,483,940.89/6,445,257.75 - Step 6: Final answer
x = 4,892,040.89
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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.