Finding the Fourth Proportional to 5,392,515.20, 8,088,772.80 and 1,554,330.20
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Solution
The fourth proportional to 5,392,515.20, 8,088,772.80 and 1,554,330.20 is: 2,331,495.30
Step by Step Solution
- Step 1: Write the proportion equation
5,392,515.20 : 8,088,772.80 = 1,554,330.20 : x - Step 2: Convert to fraction form
5,392,515.20/8,088,772.80 = 1,554,330.20/x - Step 3: Cross multiply
5,392,515.20x = 8,088,772.80 × 1,554,330.20 - Step 4: Simplify right side
5,392,515.20x = 12,572,623,843,978.56 - Step 5: Solve for x
x = 12,572,623,843,978.56/5,392,515.20 - Step 6: Final answer
x = 2,331,495.30
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1.5x scale
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.