Finding the Fourth Proportional to 2,168,539.29, 2,992,601.81 and 1,201,685.74
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Solution
The fourth proportional to 2,168,539.29, 2,992,601.81 and 1,201,685.74 is: 1,658,336.07
Step by Step Solution
- Step 1: Write the proportion equation
2,168,539.29 : 2,992,601.81 = 1,201,685.74 : x - Step 2: Convert to fraction form
2,168,539.29/2,992,601.81 = 1,201,685.74/x - Step 3: Cross multiply
2,168,539.29x = 2,992,601.81 × 1,201,685.74 - Step 4: Simplify right side
2,168,539.29x = 3,596,166,916,097.90 - Step 5: Solve for x
x = 3,596,166,916,097.90/2,168,539.29 - Step 6: Final answer
x = 1,658,336.07
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1.5x scale
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.