Finding the Fourth Proportional to 5,775,643.42, 7,967,885.96 and 3,482,530.18
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Solution
The fourth proportional to 5,775,643.42, 7,967,885.96 and 3,482,530.18 is: 4,804,383.05
Step by Step Solution
- Step 1: Write the proportion equation
5,775,643.42 : 7,967,885.96 = 3,482,530.18 : x - Step 2: Convert to fraction form
5,775,643.42/7,967,885.96 = 3,482,530.18/x - Step 3: Cross multiply
5,775,643.42x = 7,967,885.96 × 3,482,530.18 - Step 4: Simplify right side
5,775,643.42x = 27,748,403,326,498.27 - Step 5: Solve for x
x = 27,748,403,326,498.27/5,775,643.42 - Step 6: Final answer
x = 4,804,383.05
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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.