Finding the Fourth Proportional to 2,390,806.44, 3,299,314.12 and 1,358,316.02
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Solution
The fourth proportional to 2,390,806.44, 3,299,314.12 and 1,358,316.02 is: 1,874,476.81
Step by Step Solution
- Step 1: Write the proportion equation
2,390,806.44 : 3,299,314.12 = 1,358,316.02 : x - Step 2: Convert to fraction form
2,390,806.44/3,299,314.12 = 1,358,316.02/x - Step 3: Cross multiply
2,390,806.44x = 3,299,314.12 × 1,358,316.02 - Step 4: Simplify right side
2,390,806.44x = 4,481,511,229,060.70 - Step 5: Solve for x
x = 4,481,511,229,060.70/2,390,806.44 - Step 6: Final answer
x = 1,874,476.81
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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.