Finding the Fourth Proportional to 2,386,265.53, 3,293,046.98 and 1,313,177.53
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Solution
The fourth proportional to 2,386,265.53, 3,293,046.98 and 1,313,177.53 is: 1,812,185.29
Step by Step Solution
- Step 1: Write the proportion equation
2,386,265.53 : 3,293,046.98 = 1,313,177.53 : x - Step 2: Convert to fraction form
2,386,265.53/3,293,046.98 = 1,313,177.53/x - Step 3: Cross multiply
2,386,265.53x = 3,293,046.98 × 1,313,177.53 - Step 4: Simplify right side
2,386,265.53x = 4,324,355,296,920.78 - Step 5: Solve for x
x = 4,324,355,296,920.78/2,386,265.53 - Step 6: Final answer
x = 1,812,185.29
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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.