Finding the Fourth Proportional to 2,911,486.24, 4,017,810.36 and 1,622,380.96
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Solution
The fourth proportional to 2,911,486.24, 4,017,810.36 and 1,622,380.96 is: 2,238,863.07
Step by Step Solution
- Step 1: Write the proportion equation
2,911,486.24 : 4,017,810.36 = 1,622,380.96 : x - Step 2: Convert to fraction form
2,911,486.24/4,017,810.36 = 1,622,380.96/x - Step 3: Cross multiply
2,911,486.24x = 4,017,810.36 × 1,622,380.96 - Step 4: Simplify right side
2,911,486.24x = 6,518,419,028,954.75 - Step 5: Solve for x
x = 6,518,419,028,954.75/2,911,486.24 - Step 6: Final answer
x = 2,238,863.07
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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.