Finding the Fourth Proportional to 1,656,830.70, 2,286,412.04 and 931,662.97
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Solution
The fourth proportional to 1,656,830.70, 2,286,412.04 and 931,662.97 is: 1,285,686.84
Step by Step Solution
- Step 1: Write the proportion equation
1,656,830.70 : 2,286,412.04 = 931,662.97 : x - Step 2: Convert to fraction form
1,656,830.70/2,286,412.04 = 931,662.97/x - Step 3: Cross multiply
1,656,830.70x = 2,286,412.04 × 931,662.97 - Step 4: Simplify right side
1,656,830.70x = 2,130,165,428,443.29 - Step 5: Solve for x
x = 2,130,165,428,443.29/1,656,830.70 - Step 6: Final answer
x = 1,285,686.84
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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.