Finding the Fourth Proportional to 2,168,531.29, 2,992,590.76 and 1,201,677.73
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Solution
The fourth proportional to 2,168,531.29, 2,992,590.76 and 1,201,677.73 is: 1,658,325.01
Step by Step Solution
- Step 1: Write the proportion equation
2,168,531.29 : 2,992,590.76 = 1,201,677.73 : x - Step 2: Convert to fraction form
2,168,531.29/2,992,590.76 = 1,201,677.73/x - Step 3: Cross multiply
2,168,531.29x = 2,992,590.76 × 1,201,677.73 - Step 4: Simplify right side
2,168,531.29x = 3,596,129,671,295.77 - Step 5: Solve for x
x = 3,596,129,671,295.77/2,168,531.29 - Step 6: Final answer
x = 1,658,325.01
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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.