Finding the Fourth Proportional to 4,822,358.09, 6,655,186.80 and 3,187,930.97
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Solution
The fourth proportional to 4,822,358.09, 6,655,186.80 and 3,187,930.97 is: 4,399,564.64
Step by Step Solution
- Step 1: Write the proportion equation
4,822,358.09 : 6,655,186.80 = 3,187,930.97 : x - Step 2: Convert to fraction form
4,822,358.09/6,655,186.80 = 3,187,930.97/x - Step 3: Cross multiply
4,822,358.09x = 6,655,186.80 × 3,187,930.97 - Step 4: Simplify right side
4,822,358.09x = 21,216,276,127,493.16 - Step 5: Solve for x
x = 21,216,276,127,493.16/4,822,358.09 - Step 6: Final answer
x = 4,399,564.64
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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.