Finding the Fourth Proportional to 3,103,683.72, 4,285,051.38 and 2,125,260.06
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Solution
The fourth proportional to 3,103,683.72, 4,285,051.38 and 2,125,260.06 is: 2,934,206.37
Step by Step Solution
- Step 1: Write the proportion equation
3,103,683.72 : 4,285,051.38 = 2,125,260.06 : x - Step 2: Convert to fraction form
3,103,683.72/4,285,051.38 = 2,125,260.06/x - Step 3: Cross multiply
3,103,683.72x = 4,285,051.38 × 2,125,260.06 - Step 4: Simplify right side
3,103,683.72x = 9,106,848,552,961.88 - Step 5: Solve for x
x = 9,106,848,552,961.88/3,103,683.72 - Step 6: Final answer
x = 2,934,206.37
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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.