Finding the Fourth Proportional to 1,669,239.90, 2,303,553.74 and 905,294.07
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Solution
The fourth proportional to 1,669,239.90, 2,303,553.74 and 905,294.07 is: 1,249,307.27
Step by Step Solution
- Step 1: Write the proportion equation
1,669,239.90 : 2,303,553.74 = 905,294.07 : x - Step 2: Convert to fraction form
1,669,239.90/2,303,553.74 = 905,294.07/x - Step 3: Cross multiply
1,669,239.90x = 2,303,553.74 × 905,294.07 - Step 4: Simplify right side
1,669,239.90x = 2,085,393,536,221.85 - Step 5: Solve for x
x = 2,085,393,536,221.85/1,669,239.90 - Step 6: Final answer
x = 1,249,307.27
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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.