Finding the Fourth Proportional to 6,302,638.09, 8,701,663.08 and 5,143,852.54
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Solution
The fourth proportional to 6,302,638.09, 8,701,663.08 and 5,143,852.54 is: 7,101,799.45
Step by Step Solution
- Step 1: Write the proportion equation
6,302,638.09 : 8,701,663.08 = 5,143,852.54 : x - Step 2: Convert to fraction form
6,302,638.09/8,701,663.08 = 5,143,852.54/x - Step 3: Cross multiply
6,302,638.09x = 8,701,663.08 × 5,143,852.54 - Step 4: Simplify right side
6,302,638.09x = 44,760,071,736,282.23 - Step 5: Solve for x
x = 44,760,071,736,282.23/6,302,638.09 - Step 6: Final answer
x = 7,101,799.45
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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.