Finding the Fourth Proportional to 5,557,216.76, 8,336,619.36 and 1,719,366.94
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Solution
The fourth proportional to 5,557,216.76, 8,336,619.36 and 1,719,366.94 is: 2,579,296.14
Step by Step Solution
- Step 1: Write the proportion equation
5,557,216.76 : 8,336,619.36 = 1,719,366.94 : x - Step 2: Convert to fraction form
5,557,216.76/8,336,619.36 = 1,719,366.94/x - Step 3: Cross multiply
5,557,216.76x = 8,336,619.36 × 1,719,366.94 - Step 4: Simplify right side
5,557,216.76x = 14,333,707,718,947.96 - Step 5: Solve for x
x = 14,333,707,718,947.96/5,557,216.76 - Step 6: Final answer
x = 2,579,296.14
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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.