Finding the Fourth Proportional to 3,102,637.88, 4,278,110.16 and 2,184,573.56
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Solution
The fourth proportional to 3,102,637.88, 4,278,110.16 and 2,184,573.56 is: 3,012,225.95
Step by Step Solution
- Step 1: Write the proportion equation
3,102,637.88 : 4,278,110.16 = 2,184,573.56 : x - Step 2: Convert to fraction form
3,102,637.88/4,278,110.16 = 2,184,573.56/x - Step 3: Cross multiply
3,102,637.88x = 4,278,110.16 × 2,184,573.56 - Step 4: Simplify right side
3,102,637.88x = 9,345,846,342,303.37 - Step 5: Solve for x
x = 9,345,846,342,303.37/3,102,637.88 - Step 6: Final answer
x = 3,012,225.95
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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.