Finding the Fourth Proportional to 1,554,576.90, 2,331,865.35 and 1,102,852.05
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Solution
The fourth proportional to 1,554,576.90, 2,331,865.35 and 1,102,852.05 is: 1,654,278.08
Step by Step Solution
- Step 1: Write the proportion equation
1,554,576.90 : 2,331,865.35 = 1,102,852.05 : x - Step 2: Convert to fraction form
1,554,576.90/2,331,865.35 = 1,102,852.05/x - Step 3: Cross multiply
1,554,576.90x = 2,331,865.35 × 1,102,852.05 - Step 4: Simplify right side
1,554,576.90x = 2,571,702,481,571.47 - Step 5: Solve for x
x = 2,571,702,481,571.47/1,554,576.90 - Step 6: Final answer
x = 1,654,278.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.