Finding the Fourth Proportional to 5,626,212.20, 8,439,548.70 and 1,637,124.20
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Solution
The fourth proportional to 5,626,212.20, 8,439,548.70 and 1,637,124.20 is: 2,455,753.34
Step by Step Solution
- Step 1: Write the proportion equation
5,626,212.20 : 8,439,548.70 = 1,637,124.20 : x - Step 2: Convert to fraction form
5,626,212.20/8,439,548.70 = 1,637,124.20/x - Step 3: Cross multiply
5,626,212.20x = 8,439,548.70 × 1,637,124.20 - Step 4: Simplify right side
5,626,212.20x = 13,816,589,413,848.54 - Step 5: Solve for x
x = 13,816,589,413,848.54/5,626,212.20 - Step 6: Final answer
x = 2,455,753.34
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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.