Finding the Fourth Proportional to 5,190,826.40, 7,786,822.80 and 1,596,564.80
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Solution
The fourth proportional to 5,190,826.40, 7,786,822.80 and 1,596,564.80 is: 2,395,026.58
Step by Step Solution
- Step 1: Write the proportion equation
5,190,826.40 : 7,786,822.80 = 1,596,564.80 : x - Step 2: Convert to fraction form
5,190,826.40/7,786,822.80 = 1,596,564.80/x - Step 3: Cross multiply
5,190,826.40x = 7,786,822.80 × 1,596,564.80 - Step 4: Simplify right side
5,190,826.40x = 12,432,167,186,317.44 - Step 5: Solve for x
x = 12,432,167,186,317.44/5,190,826.40 - Step 6: Final answer
x = 2,395,026.58
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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.