Finding the Fourth Proportional to 1,697,415.50, 2,342,386.66 and 933,469.08
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Solution
The fourth proportional to 1,697,415.50, 2,342,386.66 and 933,469.08 is: 1,288,161.63
Step by Step Solution
- Step 1: Write the proportion equation
1,697,415.50 : 2,342,386.66 = 933,469.08 : x - Step 2: Convert to fraction form
1,697,415.50/2,342,386.66 = 933,469.08/x - Step 3: Cross multiply
1,697,415.50x = 2,342,386.66 × 933,469.08 - Step 4: Simplify right side
1,697,415.50x = 2,186,545,520,514.47 - Step 5: Solve for x
x = 2,186,545,520,514.47/1,697,415.50 - Step 6: Final answer
x = 1,288,161.63
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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.