Finding the Fourth Proportional to 4,089,305.64, 5,643,264.90 and 2,371,446.12
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Solution
The fourth proportional to 4,089,305.64, 5,643,264.90 and 2,371,446.12 is: 3,272,609.05
Step by Step Solution
- Step 1: Write the proportion equation
4,089,305.64 : 5,643,264.90 = 2,371,446.12 : x - Step 2: Convert to fraction form
4,089,305.64/5,643,264.90 = 2,371,446.12/x - Step 3: Cross multiply
4,089,305.64x = 5,643,264.90 × 2,371,446.12 - Step 4: Simplify right side
4,089,305.64x = 13,382,698,651,237.19 - Step 5: Solve for x
x = 13,382,698,651,237.19/4,089,305.64 - Step 6: Final answer
x = 3,272,609.05
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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.