Finding the Fourth Proportional to 7,183,402.06, 9,913,304.80 and 3,920,426.20
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Solution
The fourth proportional to 7,183,402.06, 9,913,304.80 and 3,920,426.20 is: 5,410,302.74
Step by Step Solution
- Step 1: Write the proportion equation
7,183,402.06 : 9,913,304.80 = 3,920,426.20 : x - Step 2: Convert to fraction form
7,183,402.06/9,913,304.80 = 3,920,426.20/x - Step 3: Cross multiply
7,183,402.06x = 9,913,304.80 × 3,920,426.20 - Step 4: Simplify right side
7,183,402.06x = 38,864,379,866,505.77 - Step 5: Solve for x
x = 38,864,379,866,505.77/7,183,402.06 - Step 6: Final answer
x = 5,410,302.74
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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.