Finding the Fourth Proportional to 1,828,369.81, 2,522,312.91 and 1,183,997.62
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Solution
The fourth proportional to 1,828,369.81, 2,522,312.91 and 1,183,997.62 is: 1,633,374.42
Step by Step Solution
- Step 1: Write the proportion equation
1,828,369.81 : 2,522,312.91 = 1,183,997.62 : x - Step 2: Convert to fraction form
1,828,369.81/2,522,312.91 = 1,183,997.62/x - Step 3: Cross multiply
1,828,369.81x = 2,522,312.91 × 1,183,997.62 - Step 4: Simplify right side
1,828,369.81x = 2,986,412,482,335.28 - Step 5: Solve for x
x = 2,986,412,482,335.28/1,828,369.81 - Step 6: Final answer
x = 1,633,374.42
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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.