Finding the Fourth Proportional to 2,257,611.63, 3,115,501.52 and 1,239,018.99
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Solution
The fourth proportional to 2,257,611.63, 3,115,501.52 and 1,239,018.99 is: 1,709,844.82
Step by Step Solution
- Step 1: Write the proportion equation
2,257,611.63 : 3,115,501.52 = 1,239,018.99 : x - Step 2: Convert to fraction form
2,257,611.63/3,115,501.52 = 1,239,018.99/x - Step 3: Cross multiply
2,257,611.63x = 3,115,501.52 × 1,239,018.99 - Step 4: Simplify right side
2,257,611.63x = 3,860,165,540,458.77 - Step 5: Solve for x
x = 3,860,165,540,458.77/2,257,611.63 - Step 6: Final answer
x = 1,709,844.82
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1.5x scale
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.