Finding the Fourth Proportional to 2,917,625.40, 4,373,485.65 and 1,718,930.70
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Solution
The fourth proportional to 2,917,625.40, 4,373,485.65 and 1,718,930.70 is: 2,576,656.60
Step by Step Solution
- Step 1: Write the proportion equation
2,917,625.40 : 4,373,485.65 = 1,718,930.70 : x - Step 2: Convert to fraction form
2,917,625.40/4,373,485.65 = 1,718,930.70/x - Step 3: Cross multiply
2,917,625.40x = 4,373,485.65 × 1,718,930.70 - Step 4: Simplify right side
2,917,625.40x = 7,517,718,749,794.46 - Step 5: Solve for x
x = 7,517,718,749,794.46/2,917,625.40 - Step 6: Final answer
x = 2,576,656.60
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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.