Finding the Fourth Proportional to 1,880,997.64, 2,595,791.99 and 1,021,564.05
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Solution
The fourth proportional to 1,880,997.64, 2,595,791.99 and 1,021,564.05 is: 1,409,766.67
Step by Step Solution
- Step 1: Write the proportion equation
1,880,997.64 : 2,595,791.99 = 1,021,564.05 : x - Step 2: Convert to fraction form
1,880,997.64/2,595,791.99 = 1,021,564.05/x - Step 3: Cross multiply
1,880,997.64x = 2,595,791.99 × 1,021,564.05 - Step 4: Simplify right side
1,880,997.64x = 2,651,767,778,261.96 - Step 5: Solve for x
x = 2,651,767,778,261.96/1,880,997.64 - Step 6: Final answer
x = 1,409,766.67
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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.