Finding the Fourth Proportional to 3,985,570.68, 5,979,357.18 and 1,145,688
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Solution
The fourth proportional to 3,985,570.68, 5,979,357.18 and 1,145,688 is: 1,718,819.79
Step by Step Solution
- Step 1: Write the proportion equation
3,985,570.68 : 5,979,357.18 = 1,145,688 : x - Step 2: Convert to fraction form
3,985,570.68/5,979,357.18 = 1,145,688/x - Step 3: Cross multiply
3,985,570.68x = 5,979,357.18 × 1,145,688 - Step 4: Simplify right side
3,985,570.68x = 6,850,477,768,839.84 - Step 5: Solve for x
x = 6,850,477,768,839.84/3,985,570.68 - Step 6: Final answer
x = 1,718,819.79
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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.