Finding the Fourth Proportional to 5,519,312.35, 8,278,316.49 and 1,476,113.51
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Solution
The fourth proportional to 5,519,312.35, 8,278,316.49 and 1,476,113.51 is: 2,213,995.88
Step by Step Solution
- Step 1: Write the proportion equation
5,519,312.35 : 8,278,316.49 = 1,476,113.51 : x - Step 2: Convert to fraction form
5,519,312.35/8,278,316.49 = 1,476,113.51/x - Step 3: Cross multiply
5,519,312.35x = 8,278,316.49 × 1,476,113.51 - Step 4: Simplify right side
5,519,312.35x = 12,219,734,810,944.78 - Step 5: Solve for x
x = 12,219,734,810,944.78/5,519,312.35 - Step 6: Final answer
x = 2,213,995.88
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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.