Finding the Fourth Proportional to 1,447,798.05, 1,998,201.15 and 803,425.23
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Solution
The fourth proportional to 1,447,798.05, 1,998,201.15 and 803,425.23 is: 1,108,859.91
Step by Step Solution
- Step 1: Write the proportion equation
1,447,798.05 : 1,998,201.15 = 803,425.23 : x - Step 2: Convert to fraction form
1,447,798.05/1,998,201.15 = 803,425.23/x - Step 3: Cross multiply
1,447,798.05x = 1,998,201.15 × 803,425.23 - Step 4: Simplify right side
1,447,798.05x = 1,605,405,218,525.01 - Step 5: Solve for x
x = 1,605,405,218,525.01/1,447,798.05 - Step 6: Final answer
x = 1,108,859.91
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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.