Finding the Fourth Proportional to 5,545,124.80, 8,317,687.20 and 5,470,475.20
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Solution
The fourth proportional to 5,545,124.80, 8,317,687.20 and 5,470,475.20 is: 8,205,712.80
Step by Step Solution
- Step 1: Write the proportion equation
5,545,124.80 : 8,317,687.20 = 5,470,475.20 : x - Step 2: Convert to fraction form
5,545,124.80/8,317,687.20 = 5,470,475.20/x - Step 3: Cross multiply
5,545,124.80x = 8,317,687.20 × 5,470,475.20 - Step 4: Simplify right side
5,545,124.80x = 45,501,701,548,957.45 - Step 5: Solve for x
x = 45,501,701,548,957.45/5,545,124.80 - Step 6: Final answer
x = 8,205,712.80
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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.