Finding the Fourth Proportional to 1,538,098.74, 2,305,648.50 and 614,579.46
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Solution
The fourth proportional to 1,538,098.74, 2,305,648.50 and 614,579.46 is: 921,269.99
Step by Step Solution
- Step 1: Write the proportion equation
1,538,098.74 : 2,305,648.50 = 614,579.46 : x - Step 2: Convert to fraction form
1,538,098.74/2,305,648.50 = 614,579.46/x - Step 3: Cross multiply
1,538,098.74x = 2,305,648.50 × 614,579.46 - Step 4: Simplify right side
1,538,098.74x = 1,417,004,210,079.81 - Step 5: Solve for x
x = 1,417,004,210,079.81/1,538,098.74 - Step 6: Final answer
x = 921,269.99
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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.