Finding the Fourth Proportional to 1,618,038.99, 2,233,020.02 and 929,951.05
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Solution
The fourth proportional to 1,618,038.99, 2,233,020.02 and 929,951.05 is: 1,283,404.99
Step by Step Solution
- Step 1: Write the proportion equation
1,618,038.99 : 2,233,020.02 = 929,951.05 : x - Step 2: Convert to fraction form
1,618,038.99/2,233,020.02 = 929,951.05/x - Step 3: Cross multiply
1,618,038.99x = 2,233,020.02 × 929,951.05 - Step 4: Simplify right side
1,618,038.99x = 2,076,599,320,351.46 - Step 5: Solve for x
x = 2,076,599,320,351.46/1,618,038.99 - Step 6: Final answer
x = 1,283,404.99
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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.