Finding the Fourth Proportional to 1,925,441.75, 2,657,181.19 and 1,098,649.91
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Solution
The fourth proportional to 1,925,441.75, 2,657,181.19 and 1,098,649.91 is: 1,516,177.72
Step by Step Solution
- Step 1: Write the proportion equation
1,925,441.75 : 2,657,181.19 = 1,098,649.91 : x - Step 2: Convert to fraction form
1,925,441.75/2,657,181.19 = 1,098,649.91/x - Step 3: Cross multiply
1,925,441.75x = 2,657,181.19 × 1,098,649.91 - Step 4: Simplify right side
1,925,441.75x = 2,919,311,883,263.46 - Step 5: Solve for x
x = 2,919,311,883,263.46/1,925,441.75 - Step 6: Final answer
x = 1,516,177.72
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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.