Finding the Fourth Proportional to 1,424,346.12, 1,965,731.22 and 851,373.99
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Solution
The fourth proportional to 1,424,346.12, 1,965,731.22 and 851,373.99 is: 1,174,975.95
Step by Step Solution
- Step 1: Write the proportion equation
1,424,346.12 : 1,965,731.22 = 851,373.99 : x - Step 2: Convert to fraction form
1,424,346.12/1,965,731.22 = 851,373.99/x - Step 3: Cross multiply
1,424,346.12x = 1,965,731.22 × 851,373.99 - Step 4: Simplify right side
1,424,346.12x = 1,673,572,432,038.97 - Step 5: Solve for x
x = 1,673,572,432,038.97/1,424,346.12 - Step 6: Final answer
x = 1,174,975.95
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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.