Finding the Fourth Proportional to 1,516,597.12, 2,091,942.80 and 1,153,224.36
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Solution
The fourth proportional to 1,516,597.12, 2,091,942.80 and 1,153,224.36 is: 1,590,718.70
Step by Step Solution
- Step 1: Write the proportion equation
1,516,597.12 : 2,091,942.80 = 1,153,224.36 : x - Step 2: Convert to fraction form
1,516,597.12/2,091,942.80 = 1,153,224.36/x - Step 3: Cross multiply
1,516,597.12x = 2,091,942.80 × 1,153,224.36 - Step 4: Simplify right side
1,516,597.12x = 2,412,479,396,686.61 - Step 5: Solve for x
x = 2,412,479,396,686.61/1,516,597.12 - Step 6: Final answer
x = 1,590,718.70
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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.