Finding the Fourth Proportional to 3,894,954.78, 5,374,116.42 and 2,262,392.07
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Solution
The fourth proportional to 3,894,954.78, 5,374,116.42 and 2,262,392.07 is: 3,121,565.99
Step by Step Solution
- Step 1: Write the proportion equation
3,894,954.78 : 5,374,116.42 = 2,262,392.07 : x - Step 2: Convert to fraction form
3,894,954.78/5,374,116.42 = 2,262,392.07/x - Step 3: Cross multiply
3,894,954.78x = 5,374,116.42 × 2,262,392.07 - Step 4: Simplify right side
3,894,954.78x = 12,158,358,371,864.79 - Step 5: Solve for x
x = 12,158,358,371,864.79/3,894,954.78 - Step 6: Final answer
x = 3,121,565.99
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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.