Finding the Fourth Proportional to 3,887,319.94, 5,366,443.67 and 2,417,702.19
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Solution
The fourth proportional to 3,887,319.94, 5,366,443.67 and 2,417,702.19 is: 3,337,636.94
Step by Step Solution
- Step 1: Write the proportion equation
3,887,319.94 : 5,366,443.67 = 2,417,702.19 : x - Step 2: Convert to fraction form
3,887,319.94/5,366,443.67 = 2,417,702.19/x - Step 3: Cross multiply
3,887,319.94x = 5,366,443.67 × 2,417,702.19 - Step 4: Simplify right side
3,887,319.94x = 12,974,462,613,470.64 - Step 5: Solve for x
x = 12,974,462,613,470.64/3,887,319.94 - Step 6: Final answer
x = 3,337,636.94
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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.