Finding the Fourth Proportional to 1,507,171.70, 2,079,920.54 and 818,857.19
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Solution
The fourth proportional to 1,507,171.70, 2,079,920.54 and 818,857.19 is: 1,130,035.74
Step by Step Solution
- Step 1: Write the proportion equation
1,507,171.70 : 2,079,920.54 = 818,857.19 : x - Step 2: Convert to fraction form
1,507,171.70/2,079,920.54 = 818,857.19/x - Step 3: Cross multiply
1,507,171.70x = 2,079,920.54 × 818,857.19 - Step 4: Simplify right side
1,507,171.70x = 1,703,157,888,807.68 - Step 5: Solve for x
x = 1,703,157,888,807.68/1,507,171.70 - Step 6: Final answer
x = 1,130,035.74
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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.