Finding the Fourth Proportional to 5,870,781.68, 8,102,564.24 and 3,580,270.96
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Solution
The fourth proportional to 5,870,781.68, 8,102,564.24 and 3,580,270.96 is: 4,941,313.96
Step by Step Solution
- Step 1: Write the proportion equation
5,870,781.68 : 8,102,564.24 = 3,580,270.96 : x - Step 2: Convert to fraction form
5,870,781.68/8,102,564.24 = 3,580,270.96/x - Step 3: Cross multiply
5,870,781.68x = 8,102,564.24 × 3,580,270.96 - Step 4: Simplify right side
5,870,781.68x = 29,009,375,450,006.47 - Step 5: Solve for x
x = 29,009,375,450,006.47/5,870,781.68 - Step 6: Final answer
x = 4,941,313.96
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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.