Finding the Fourth Proportional to 1,665,623.20, 2,298,532.80 and 901,670.08
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Solution
The fourth proportional to 1,665,623.20, 2,298,532.80 and 901,670.08 is: 1,244,289.98
Step by Step Solution
- Step 1: Write the proportion equation
1,665,623.20 : 2,298,532.80 = 901,670.08 : x - Step 2: Convert to fraction form
1,665,623.20/2,298,532.80 = 901,670.08/x - Step 3: Cross multiply
1,665,623.20x = 2,298,532.80 × 901,670.08 - Step 4: Simplify right side
1,665,623.20x = 2,072,518,253,658.62 - Step 5: Solve for x
x = 2,072,518,253,658.62/1,665,623.20 - Step 6: Final answer
x = 1,244,289.98
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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.