Finding the Fourth Proportional to 4,279,719.44, 6,418,560.60 and 1,720,940.48
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Solution
The fourth proportional to 4,279,719.44, 6,418,560.60 and 1,720,940.48 is: 2,581,001.14
Step by Step Solution
- Step 1: Write the proportion equation
4,279,719.44 : 6,418,560.60 = 1,720,940.48 : x - Step 2: Convert to fraction form
4,279,719.44/6,418,560.60 = 1,720,940.48/x - Step 3: Cross multiply
4,279,719.44x = 6,418,560.60 × 1,720,940.48 - Step 4: Simplify right side
4,279,719.44x = 11,045,960,759,873.09 - Step 5: Solve for x
x = 11,045,960,759,873.09/4,279,719.44 - Step 6: Final answer
x = 2,581,001.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.