Finding the Fourth Proportional to 2,894,322.16, 3,994,409.94 and 1,605,577.78
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Solution
The fourth proportional to 2,894,322.16, 3,994,409.94 and 1,605,577.78 is: 2,215,833.45
Step by Step Solution
- Step 1: Write the proportion equation
2,894,322.16 : 3,994,409.94 = 1,605,577.78 : x - Step 2: Convert to fraction form
2,894,322.16/3,994,409.94 = 1,605,577.78/x - Step 3: Cross multiply
2,894,322.16x = 3,994,409.94 × 1,605,577.78 - Step 4: Simplify right side
2,894,322.16x = 6,413,335,843,875.13 - Step 5: Solve for x
x = 6,413,335,843,875.13/2,894,322.16 - Step 6: Final answer
x = 2,215,833.45
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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.