Finding the Fourth Proportional to 4,215,326.12, 6,322,993.74 and 1,973,038.76
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Solution
The fourth proportional to 4,215,326.12, 6,322,993.74 and 1,973,038.76 is: 2,959,560.27
Step by Step Solution
- Step 1: Write the proportion equation
4,215,326.12 : 6,322,993.74 = 1,973,038.76 : x - Step 2: Convert to fraction form
4,215,326.12/6,322,993.74 = 1,973,038.76/x - Step 3: Cross multiply
4,215,326.12x = 6,322,993.74 × 1,973,038.76 - Step 4: Simplify right side
4,215,326.12x = 12,475,511,728,257.36 - Step 5: Solve for x
x = 12,475,511,728,257.36/4,215,326.12 - Step 6: Final answer
x = 2,959,560.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.