Finding the Fourth Proportional to 4,578,511.01, 6,858,787.80 and 2,655,382.07
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Solution
The fourth proportional to 4,578,511.01, 6,858,787.80 and 2,655,382.07 is: 3,977,865.75
Step by Step Solution
- Step 1: Write the proportion equation
4,578,511.01 : 6,858,787.80 = 2,655,382.07 : x - Step 2: Convert to fraction form
4,578,511.01/6,858,787.80 = 2,655,382.07/x - Step 3: Cross multiply
4,578,511.01x = 6,858,787.80 × 2,655,382.07 - Step 4: Simplify right side
4,578,511.01x = 18,212,702,146,054.75 - Step 5: Solve for x
x = 18,212,702,146,054.75/4,578,511.01 - Step 6: Final answer
x = 3,977,865.75
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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.