Finding the Fourth Proportional to 1,478,897.17, 2,040,878.09 and 799,833.67
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Solution
The fourth proportional to 1,478,897.17, 2,040,878.09 and 799,833.67 is: 1,103,770.46
Step by Step Solution
- Step 1: Write the proportion equation
1,478,897.17 : 2,040,878.09 = 799,833.67 : x - Step 2: Convert to fraction form
1,478,897.17/2,040,878.09 = 799,833.67/x - Step 3: Cross multiply
1,478,897.17x = 2,040,878.09 × 799,833.67 - Step 4: Simplify right side
1,478,897.17x = 1,632,363,009,644.68 - Step 5: Solve for x
x = 1,632,363,009,644.68/1,478,897.17 - Step 6: Final answer
x = 1,103,770.46
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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.