Finding the Fourth Proportional to 3,056,178, 4,217,321.68 and 1,679,492.09
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Solution
The fourth proportional to 3,056,178, 4,217,321.68 and 1,679,492.09 is: 2,317,587.00
Step by Step Solution
- Step 1: Write the proportion equation
3,056,178 : 4,217,321.68 = 1,679,492.09 : x - Step 2: Convert to fraction form
3,056,178/4,217,321.68 = 1,679,492.09/x - Step 3: Cross multiply
3,056,178x = 4,217,321.68 × 1,679,492.09 - Step 4: Simplify right side
3,056,178x = 7,082,958,402,545.51 - Step 5: Solve for x
x = 7,082,958,402,545.51/3,056,178 - Step 6: Final answer
x = 2,317,587.00
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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.