Finding the Fourth Proportional to 1,478,905.13, 2,040,889.08 and 799,841.63
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Solution
The fourth proportional to 1,478,905.13, 2,040,889.08 and 799,841.63 is: 1,103,781.45
Step by Step Solution
- Step 1: Write the proportion equation
1,478,905.13 : 2,040,889.08 = 799,841.63 : x - Step 2: Convert to fraction form
1,478,905.13/2,040,889.08 = 799,841.63/x - Step 3: Cross multiply
1,478,905.13x = 2,040,889.08 × 799,841.63 - Step 4: Simplify right side
1,478,905.13x = 1,632,388,038,191.96 - Step 5: Solve for x
x = 1,632,388,038,191.96/1,478,905.13 - Step 6: Final answer
x = 1,103,781.45
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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.