Finding the Fourth Proportional to 5,564,384.40, 8,347,766.80 and 1,726,123.52
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Solution
The fourth proportional to 5,564,384.40, 8,347,766.80 and 1,726,123.52 is: 2,589,554.49
Step by Step Solution
- Step 1: Write the proportion equation
5,564,384.40 : 8,347,766.80 = 1,726,123.52 : x - Step 2: Convert to fraction form
5,564,384.40/8,347,766.80 = 1,726,123.52/x - Step 3: Cross multiply
5,564,384.40x = 8,347,766.80 × 1,726,123.52 - Step 4: Simplify right side
5,564,384.40x = 14,409,276,612,955.14 - Step 5: Solve for x
x = 14,409,276,612,955.14/5,564,384.40 - Step 6: Final answer
x = 2,589,554.49
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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.