Finding the Fourth Proportional to 1,411,433.82, 2,117,161.68 and 346,485.12
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Solution
The fourth proportional to 1,411,433.82, 2,117,161.68 and 346,485.12 is: 519,730.37
Step by Step Solution
- Step 1: Write the proportion equation
1,411,433.82 : 2,117,161.68 = 346,485.12 : x - Step 2: Convert to fraction form
1,411,433.82/2,117,161.68 = 346,485.12/x - Step 3: Cross multiply
1,411,433.82x = 2,117,161.68 × 346,485.12 - Step 4: Simplify right side
1,411,433.82x = 733,565,018,754.20 - Step 5: Solve for x
x = 733,565,018,754.20/1,411,433.82 - Step 6: Final answer
x = 519,730.37
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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.