Finding the Fourth Proportional to 2,138,443.22, 3,207,397.23 and 699,006.14
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Solution
The fourth proportional to 2,138,443.22, 3,207,397.23 and 699,006.14 is: 1,048,421.74
Step by Step Solution
- Step 1: Write the proportion equation
2,138,443.22 : 3,207,397.23 = 699,006.14 : x - Step 2: Convert to fraction form
2,138,443.22/3,207,397.23 = 699,006.14/x - Step 3: Cross multiply
2,138,443.22x = 3,207,397.23 × 699,006.14 - Step 4: Simplify right side
2,138,443.22x = 2,241,990,357,188.99 - Step 5: Solve for x
x = 2,241,990,357,188.99/2,138,443.22 - Step 6: Final answer
x = 1,048,421.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.