Finding the Fourth Proportional to 5,257,619.30, 7,886,428.95 and 3,368,051.30
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Solution
The fourth proportional to 5,257,619.30, 7,886,428.95 and 3,368,051.30 is: 5,052,076.95
Step by Step Solution
- Step 1: Write the proportion equation
5,257,619.30 : 7,886,428.95 = 3,368,051.30 : x - Step 2: Convert to fraction form
5,257,619.30/7,886,428.95 = 3,368,051.30/x - Step 3: Cross multiply
5,257,619.30x = 7,886,428.95 × 3,368,051.30 - Step 4: Simplify right side
5,257,619.30x = 26,561,897,277,405.13 - Step 5: Solve for x
x = 26,561,897,277,405.13/5,257,619.30 - Step 6: Final answer
x = 5,052,076.95
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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.