Finding the Fourth Proportional to 4,983,977.79, 6,877,888.29 and 2,692,138.50
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Solution
The fourth proportional to 4,983,977.79, 6,877,888.29 and 2,692,138.50 is: 3,715,150.56
Step by Step Solution
- Step 1: Write the proportion equation
4,983,977.79 : 6,877,888.29 = 2,692,138.50 : x - Step 2: Convert to fraction form
4,983,977.79/6,877,888.29 = 2,692,138.50/x - Step 3: Cross multiply
4,983,977.79x = 6,877,888.29 × 2,692,138.50 - Step 4: Simplify right side
4,983,977.79x = 18,516,227,864,208.16 - Step 5: Solve for x
x = 18,516,227,864,208.16/4,983,977.79 - Step 6: Final answer
x = 3,715,150.56
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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.