Finding the Fourth Proportional to 4,195,143.60, 6,293,662.17 and 1,277,497.47
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Solution
The fourth proportional to 4,195,143.60, 6,293,662.17 and 1,277,497.47 is: 1,916,534.51
Step by Step Solution
- Step 1: Write the proportion equation
4,195,143.60 : 6,293,662.17 = 1,277,497.47 : x - Step 2: Convert to fraction form
4,195,143.60/6,293,662.17 = 1,277,497.47/x - Step 3: Cross multiply
4,195,143.60x = 6,293,662.17 × 1,277,497.47 - Step 4: Simplify right side
4,195,143.60x = 8,040,137,499,209.71 - Step 5: Solve for x
x = 8,040,137,499,209.71/4,195,143.60 - Step 6: Final answer
x = 1,916,534.51
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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.