Finding the Fourth Proportional to 1,478,618.55, 2,040,493.68 and 799,555.05
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Solution
The fourth proportional to 1,478,618.55, 2,040,493.68 and 799,555.05 is: 1,103,386.01
Step by Step Solution
- Step 1: Write the proportion equation
1,478,618.55 : 2,040,493.68 = 799,555.05 : x - Step 2: Convert to fraction form
1,478,618.55/2,040,493.68 = 799,555.05/x - Step 3: Cross multiply
1,478,618.55x = 2,040,493.68 × 799,555.05 - Step 4: Simplify right side
1,478,618.55x = 1,631,487,026,337.08 - Step 5: Solve for x
x = 1,631,487,026,337.08/1,478,618.55 - Step 6: Final answer
x = 1,103,386.01
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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.