Finding the Fourth Proportional to 1,932,991.49, 2,667,372.12 and 1,117,247.99
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Solution
The fourth proportional to 1,932,991.49, 2,667,372.12 and 1,117,247.99 is: 1,541,711.97
Step by Step Solution
- Step 1: Write the proportion equation
1,932,991.49 : 2,667,372.12 = 1,117,247.99 : x - Step 2: Convert to fraction form
1,932,991.49/2,667,372.12 = 1,117,247.99/x - Step 3: Cross multiply
1,932,991.49x = 2,667,372.12 × 1,117,247.99 - Step 4: Simplify right side
1,932,991.49x = 2,980,116,126,315.18 - Step 5: Solve for x
x = 2,980,116,126,315.18/1,932,991.49 - Step 6: Final answer
x = 1,541,711.97
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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.