Finding the Fourth Proportional to 1,823,122.68, 2,515,960.07 and 1,007,379.17
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Solution
The fourth proportional to 1,823,122.68, 2,515,960.07 and 1,007,379.17 is: 1,390,211.31
Step by Step Solution
- Step 1: Write the proportion equation
1,823,122.68 : 2,515,960.07 = 1,007,379.17 : x - Step 2: Convert to fraction form
1,823,122.68/2,515,960.07 = 1,007,379.17/x - Step 3: Cross multiply
1,823,122.68x = 2,515,960.07 × 1,007,379.17 - Step 4: Simplify right side
1,823,122.68x = 2,534,525,767,069.74 - Step 5: Solve for x
x = 2,534,525,767,069.74/1,823,122.68 - Step 6: Final answer
x = 1,390,211.31
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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.