Finding the Fourth Proportional to 1,925,178.28, 2,656,777.34 and 1,053,998.26
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Solution
The fourth proportional to 1,925,178.28, 2,656,777.34 and 1,053,998.26 is: 1,454,534.74
Step by Step Solution
- Step 1: Write the proportion equation
1,925,178.28 : 2,656,777.34 = 1,053,998.26 : x - Step 2: Convert to fraction form
1,925,178.28/2,656,777.34 = 1,053,998.26/x - Step 3: Cross multiply
1,925,178.28x = 2,656,777.34 × 1,053,998.26 - Step 4: Simplify right side
1,925,178.28x = 2,800,238,693,567.43 - Step 5: Solve for x
x = 2,800,238,693,567.43/1,925,178.28 - Step 6: Final answer
x = 1,454,534.74
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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.