Finding the Fourth Proportional to 1,454,927.40, 2,182,391.10 and 657,109.80
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Solution
The fourth proportional to 1,454,927.40, 2,182,391.10 and 657,109.80 is: 985,664.70
Step by Step Solution
- Step 1: Write the proportion equation
1,454,927.40 : 2,182,391.10 = 657,109.80 : x - Step 2: Convert to fraction form
1,454,927.40/2,182,391.10 = 657,109.80/x - Step 3: Cross multiply
1,454,927.40x = 2,182,391.10 × 657,109.80 - Step 4: Simplify right side
1,454,927.40x = 1,434,070,579,242.78 - Step 5: Solve for x
x = 1,434,070,579,242.78/1,454,927.40 - Step 6: Final answer
x = 985,664.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.