Finding the Fourth Proportional to 4,992,702.24, 6,889,862.09 and 2,787,598.91
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Solution
The fourth proportional to 4,992,702.24, 6,889,862.09 and 2,787,598.91 is: 3,846,849.09
Step by Step Solution
- Step 1: Write the proportion equation
4,992,702.24 : 6,889,862.09 = 2,787,598.91 : x - Step 2: Convert to fraction form
4,992,702.24/6,889,862.09 = 2,787,598.91/x - Step 3: Cross multiply
4,992,702.24x = 6,889,862.09 × 2,787,598.91 - Step 4: Simplify right side
4,992,702.24x = 19,206,172,052,134.32 - Step 5: Solve for x
x = 19,206,172,052,134.32/4,992,702.24 - Step 6: Final answer
x = 3,846,849.09
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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.