Finding the Fourth Proportional to 1,603,465.62, 2,212,166.64 and 915,175.68
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Solution
The fourth proportional to 1,603,465.62, 2,212,166.64 and 915,175.68 is: 1,262,590.91
Step by Step Solution
- Step 1: Write the proportion equation
1,603,465.62 : 2,212,166.64 = 915,175.68 : x - Step 2: Convert to fraction form
1,603,465.62/2,212,166.64 = 915,175.68/x - Step 3: Cross multiply
1,603,465.62x = 2,212,166.64 × 915,175.68 - Step 4: Simplify right side
1,603,465.62x = 2,024,521,109,035.32 - Step 5: Solve for x
x = 2,024,521,109,035.32/1,603,465.62 - Step 6: Final answer
x = 1,262,590.91
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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.