Finding the Fourth Proportional to 5,759,405.58, 8,638,162.68 and 1,921,257.48
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Solution
The fourth proportional to 5,759,405.58, 8,638,162.68 and 1,921,257.48 is: 2,881,570.75
Step by Step Solution
- Step 1: Write the proportion equation
5,759,405.58 : 8,638,162.68 = 1,921,257.48 : x - Step 2: Convert to fraction form
5,759,405.58/8,638,162.68 = 1,921,257.48/x - Step 3: Cross multiply
5,759,405.58x = 8,638,162.68 × 1,921,257.48 - Step 4: Simplify right side
5,759,405.58x = 16,596,134,662,406.85 - Step 5: Solve for x
x = 16,596,134,662,406.85/5,759,405.58 - Step 6: Final answer
x = 2,881,570.75
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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.