Finding the Fourth Proportional to 2,316,120.12, 3,470,338.80 and 1,638,844.56
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Solution
The fourth proportional to 2,316,120.12, 3,470,338.80 and 1,638,844.56 is: 2,455,548.75
Step by Step Solution
- Step 1: Write the proportion equation
2,316,120.12 : 3,470,338.80 = 1,638,844.56 : x - Step 2: Convert to fraction form
2,316,120.12/3,470,338.80 = 1,638,844.56/x - Step 3: Cross multiply
2,316,120.12x = 3,470,338.80 × 1,638,844.56 - Step 4: Simplify right side
2,316,120.12x = 5,687,345,863,736.93 - Step 5: Solve for x
x = 5,687,345,863,736.93/2,316,120.12 - Step 6: Final answer
x = 2,455,548.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.