Finding the Fourth Proportional to 1,933,294.88, 2,668,690.92 and 1,288,479.80
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Solution
The fourth proportional to 1,933,294.88, 2,668,690.92 and 1,288,479.80 is: 1,778,597.97
Step by Step Solution
- Step 1: Write the proportion equation
1,933,294.88 : 2,668,690.92 = 1,288,479.80 : x - Step 2: Convert to fraction form
1,933,294.88/2,668,690.92 = 1,288,479.80/x - Step 3: Cross multiply
1,933,294.88x = 2,668,690.92 × 1,288,479.80 - Step 4: Simplify right side
1,933,294.88x = 3,438,554,342,863.42 - Step 5: Solve for x
x = 3,438,554,342,863.42/1,933,294.88 - Step 6: Final answer
x = 1,778,597.97
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.