Finding the Fourth Proportional to 1,697,278.62, 2,342,304.63 and 933,390.30
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Solution
The fourth proportional to 1,697,278.62, 2,342,304.63 and 933,390.30 is: 1,288,111.68
Step by Step Solution
- Step 1: Write the proportion equation
1,697,278.62 : 2,342,304.63 = 933,390.30 : x - Step 2: Convert to fraction form
1,697,278.62/2,342,304.63 = 933,390.30/x - Step 3: Cross multiply
1,697,278.62x = 2,342,304.63 × 933,390.30 - Step 4: Simplify right side
1,697,278.62x = 2,186,284,421,287.09 - Step 5: Solve for x
x = 2,186,284,421,287.09/1,697,278.62 - Step 6: Final answer
x = 1,288,111.68
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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.