Finding the Fourth Proportional to 1,538,864.13, 2,123,742.44 and 850,521.18
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Solution
The fourth proportional to 1,538,864.13, 2,123,742.44 and 850,521.18 is: 1,173,780.00
Step by Step Solution
- Step 1: Write the proportion equation
1,538,864.13 : 2,123,742.44 = 850,521.18 : x - Step 2: Convert to fraction form
1,538,864.13/2,123,742.44 = 850,521.18/x - Step 3: Cross multiply
1,538,864.13x = 2,123,742.44 × 850,521.18 - Step 4: Simplify right side
1,538,864.13x = 1,806,287,932,985.76 - Step 5: Solve for x
x = 1,806,287,932,985.76/1,538,864.13 - Step 6: Final answer
x = 1,173,780.00
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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.