Finding the Fourth Proportional to 1,399,101.36, 2,098,417.27 and 388,326.00
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Solution
The fourth proportional to 1,399,101.36, 2,098,417.27 and 388,326.00 is: 582,423.84
Step by Step Solution
- Step 1: Write the proportion equation
1,399,101.36 : 2,098,417.27 = 388,326.00 : x - Step 2: Convert to fraction form
1,399,101.36/2,098,417.27 = 388,326.00/x - Step 3: Cross multiply
1,399,101.36x = 2,098,417.27 × 388,326.00 - Step 4: Simplify right side
1,399,101.36x = 814,869,982,251.02 - Step 5: Solve for x
x = 814,869,982,251.02/1,399,101.36 - Step 6: Final answer
x = 582,423.84
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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.