Finding the Fourth Proportional to 4,108,803.75, 5,671,965.21 and 2,455,534.11
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Solution
The fourth proportional to 4,108,803.75, 5,671,965.21 and 2,455,534.11 is: 3,389,722.38
Step by Step Solution
- Step 1: Write the proportion equation
4,108,803.75 : 5,671,965.21 = 2,455,534.11 : x - Step 2: Convert to fraction form
4,108,803.75/5,671,965.21 = 2,455,534.11/x - Step 3: Cross multiply
4,108,803.75x = 5,671,965.21 × 2,455,534.11 - Step 4: Simplify right side
4,108,803.75x = 13,927,704,043,888.31 - Step 5: Solve for x
x = 13,927,704,043,888.31/4,108,803.75 - Step 6: Final answer
x = 3,389,722.38
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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.