Finding the Fourth Proportional to 5,272,213.12, 7,908,934.08 and 1,908,004.48
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Solution
The fourth proportional to 5,272,213.12, 7,908,934.08 and 1,908,004.48 is: 2,862,229.07
Step by Step Solution
- Step 1: Write the proportion equation
5,272,213.12 : 7,908,934.08 = 1,908,004.48 : x - Step 2: Convert to fraction form
5,272,213.12/7,908,934.08 = 1,908,004.48/x - Step 3: Cross multiply
5,272,213.12x = 7,908,934.08 × 1,908,004.48 - Step 4: Simplify right side
5,272,213.12x = 15,090,281,656,664.68 - Step 5: Solve for x
x = 15,090,281,656,664.68/5,272,213.12 - Step 6: Final answer
x = 2,862,229.07
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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.