Finding the Fourth Proportional to 1,213,467.48, 1,820,186.64 and 314,829.18
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Solution
The fourth proportional to 1,213,467.48, 1,820,186.64 and 314,829.18 is: 472,239.99
Step by Step Solution
- Step 1: Write the proportion equation
1,213,467.48 : 1,820,186.64 = 314,829.18 : x - Step 2: Convert to fraction form
1,213,467.48/1,820,186.64 = 314,829.18/x - Step 3: Cross multiply
1,213,467.48x = 1,820,186.64 × 314,829.18 - Step 4: Simplify right side
1,213,467.48x = 573,047,867,318.16 - Step 5: Solve for x
x = 573,047,867,318.16/1,213,467.48 - Step 6: Final answer
x = 472,239.99
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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.