Finding the Fourth Proportional to 1,512,795.09, 2,087,967.03 and 901,306.08
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Solution
The fourth proportional to 1,512,795.09, 2,087,967.03 and 901,306.08 is: 1,243,986.97
Step by Step Solution
- Step 1: Write the proportion equation
1,512,795.09 : 2,087,967.03 = 901,306.08 : x - Step 2: Convert to fraction form
1,512,795.09/2,087,967.03 = 901,306.08/x - Step 3: Cross multiply
1,512,795.09x = 2,087,967.03 × 901,306.08 - Step 4: Simplify right side
1,512,795.09x = 1,881,897,378,978.54 - Step 5: Solve for x
x = 1,881,897,378,978.54/1,512,795.09 - Step 6: Final answer
x = 1,243,986.97
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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.