Finding the Fourth Proportional to 4,999,129.05, 6,898,763.75 and 2,707,237.29
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Solution
The fourth proportional to 4,999,129.05, 6,898,763.75 and 2,707,237.29 is: 3,735,968.86
Step by Step Solution
- Step 1: Write the proportion equation
4,999,129.05 : 6,898,763.75 = 2,707,237.29 : x - Step 2: Convert to fraction form
4,999,129.05/6,898,763.75 = 2,707,237.29/x - Step 3: Cross multiply
4,999,129.05x = 6,898,763.75 × 2,707,237.29 - Step 4: Simplify right side
4,999,129.05x = 18,676,590,465,364.05 - Step 5: Solve for x
x = 18,676,590,465,364.05/4,999,129.05 - Step 6: Final answer
x = 3,735,968.86
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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.