Finding the Fourth Proportional to 1,933,643.95, 2,668,674.68 and 1,169,702.98
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Solution
The fourth proportional to 1,933,643.95, 2,668,674.68 and 1,169,702.98 is: 1,614,338.94
Step by Step Solution
- Step 1: Write the proportion equation
1,933,643.95 : 2,668,674.68 = 1,169,702.98 : x - Step 2: Convert to fraction form
1,933,643.95/2,668,674.68 = 1,169,702.98/x - Step 3: Cross multiply
1,933,643.95x = 2,668,674.68 × 1,169,702.98 - Step 4: Simplify right side
1,933,643.95x = 3,121,556,725,846.55 - Step 5: Solve for x
x = 3,121,556,725,846.55/1,933,643.95 - Step 6: Final answer
x = 1,614,338.94
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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.