Finding the Fourth Proportional to 4,251,537.11, 6,378,405.14 and 1,219,124.93
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Solution
The fourth proportional to 4,251,537.11, 6,378,405.14 and 1,219,124.93 is: 1,829,002.66
Step by Step Solution
- Step 1: Write the proportion equation
4,251,537.11 : 6,378,405.14 = 1,219,124.93 : x - Step 2: Convert to fraction form
4,251,537.11/6,378,405.14 = 1,219,124.93/x - Step 3: Cross multiply
4,251,537.11x = 6,378,405.14 × 1,219,124.93 - Step 4: Simplify right side
4,251,537.11x = 7,776,072,690,969.93 - Step 5: Solve for x
x = 7,776,072,690,969.93/4,251,537.11 - Step 6: Final answer
x = 1,829,002.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.