Finding the Fourth Proportional to 1,795,942.41, 2,478,458.36 and 1,021,553.40
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Solution
The fourth proportional to 1,795,942.41, 2,478,458.36 and 1,021,553.40 is: 1,409,776.59
Step by Step Solution
- Step 1: Write the proportion equation
1,795,942.41 : 2,478,458.36 = 1,021,553.40 : x - Step 2: Convert to fraction form
1,795,942.41/2,478,458.36 = 1,021,553.40/x - Step 3: Cross multiply
1,795,942.41x = 2,478,458.36 × 1,021,553.40 - Step 4: Simplify right side
1,795,942.41x = 2,531,877,564,416.42 - Step 5: Solve for x
x = 2,531,877,564,416.42/1,795,942.41 - Step 6: Final answer
x = 1,409,776.59
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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.