Finding the Fourth Proportional to 1,347,349.20, 2,019,268.80 and 547,696.68
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Solution
The fourth proportional to 1,347,349.20, 2,019,268.80 and 547,696.68 is: 820,831.61
Step by Step Solution
- Step 1: Write the proportion equation
1,347,349.20 : 2,019,268.80 = 547,696.68 : x - Step 2: Convert to fraction form
1,347,349.20/2,019,268.80 = 547,696.68/x - Step 3: Cross multiply
1,347,349.20x = 2,019,268.80 × 547,696.68 - Step 4: Simplify right side
1,347,349.20x = 1,105,946,817,787.58 - Step 5: Solve for x
x = 1,105,946,817,787.58/1,347,349.20 - Step 6: Final answer
x = 820,831.61
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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.