Finding the Fourth Proportional to 2,818,277.78, 3,889,174.29 and 1,715,310.50
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Solution
The fourth proportional to 2,818,277.78, 3,889,174.29 and 1,715,310.50 is: 2,367,098.64
Step by Step Solution
- Step 1: Write the proportion equation
2,818,277.78 : 3,889,174.29 = 1,715,310.50 : x - Step 2: Convert to fraction form
2,818,277.78/3,889,174.29 = 1,715,310.50/x - Step 3: Cross multiply
2,818,277.78x = 3,889,174.29 × 1,715,310.50 - Step 4: Simplify right side
2,818,277.78x = 6,671,141,495,967.05 - Step 5: Solve for x
x = 6,671,141,495,967.05/2,818,277.78 - Step 6: Final answer
x = 2,367,098.64
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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.