Finding the Fourth Proportional to 5,367,529.98, 7,407,208.98 and 2,920,140.54
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Solution
The fourth proportional to 5,367,529.98, 7,407,208.98 and 2,920,140.54 is: 4,029,803.52
Step by Step Solution
- Step 1: Write the proportion equation
5,367,529.98 : 7,407,208.98 = 2,920,140.54 : x - Step 2: Convert to fraction form
5,367,529.98/7,407,208.98 = 2,920,140.54/x - Step 3: Cross multiply
5,367,529.98x = 7,407,208.98 × 2,920,140.54 - Step 4: Simplify right side
5,367,529.98x = 21,630,091,230,750.05 - Step 5: Solve for x
x = 21,630,091,230,750.05/5,367,529.98 - Step 6: Final answer
x = 4,029,803.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.