Finding the Fourth Proportional to 3,697,982.54, 5,103,117.99 and 2,066,403.29
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Solution
The fourth proportional to 3,697,982.54, 5,103,117.99 and 2,066,403.29 is: 2,851,581.82
Step by Step Solution
- Step 1: Write the proportion equation
3,697,982.54 : 5,103,117.99 = 2,066,403.29 : x - Step 2: Convert to fraction form
3,697,982.54/5,103,117.99 = 2,066,403.29/x - Step 3: Cross multiply
3,697,982.54x = 5,103,117.99 × 2,066,403.29 - Step 4: Simplify right side
3,697,982.54x = 10,545,099,778,278.60 - Step 5: Solve for x
x = 10,545,099,778,278.60/3,697,982.54 - Step 6: Final answer
x = 2,851,581.82
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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.