Finding the Fourth Proportional to 2,718,816.79, 3,751,887.84 and 1,495,121.05
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Solution
The fourth proportional to 2,718,816.79, 3,751,887.84 and 1,495,121.05 is: 2,063,223.42
Step by Step Solution
- Step 1: Write the proportion equation
2,718,816.79 : 3,751,887.84 = 1,495,121.05 : x - Step 2: Convert to fraction form
2,718,816.79/3,751,887.84 = 1,495,121.05/x - Step 3: Cross multiply
2,718,816.79x = 3,751,887.84 × 1,495,121.05 - Step 4: Simplify right side
2,718,816.79x = 5,609,526,486,823.03 - Step 5: Solve for x
x = 5,609,526,486,823.03/2,718,816.79 - Step 6: Final answer
x = 2,063,223.42
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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.