Finding the Fourth Proportional to 5,335,277.30, 7,362,701.09 and 2,887,887.71
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Solution
The fourth proportional to 5,335,277.30, 7,362,701.09 and 2,887,887.71 is: 3,985,295.00
Step by Step Solution
- Step 1: Write the proportion equation
5,335,277.30 : 7,362,701.09 = 2,887,887.71 : x - Step 2: Convert to fraction form
5,335,277.30/7,362,701.09 = 2,887,887.71/x - Step 3: Cross multiply
5,335,277.30x = 7,362,701.09 × 2,887,887.71 - Step 4: Simplify right side
5,335,277.30x = 21,262,653,960,620.82 - Step 5: Solve for x
x = 21,262,653,960,620.82/5,335,277.30 - Step 6: Final answer
x = 3,985,295.00
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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.