Finding the Fourth Proportional to 7,876,901.20, 11,814,301.95 and 2,196,649.84
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Solution
The fourth proportional to 7,876,901.20, 11,814,301.95 and 2,196,649.84 is: 3,294,681.99
Step by Step Solution
- Step 1: Write the proportion equation
7,876,901.20 : 11,814,301.95 = 2,196,649.84 : x - Step 2: Convert to fraction form
7,876,901.20/11,814,301.95 = 2,196,649.84/x - Step 3: Cross multiply
7,876,901.20x = 11,814,301.95 × 2,196,649.84 - Step 4: Simplify right side
7,876,901.20x = 25,951,884,488,179.18 - Step 5: Solve for x
x = 25,951,884,488,179.18/7,876,901.20 - Step 6: Final answer
x = 3,294,681.99
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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.