Finding the Fourth Proportional to 1,489,523.18, 2,232,535.16 and 689,113.98
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Solution
The fourth proportional to 1,489,523.18, 2,232,535.16 and 689,113.98 is: 1,032,861.53
Step by Step Solution
- Step 1: Write the proportion equation
1,489,523.18 : 2,232,535.16 = 689,113.98 : x - Step 2: Convert to fraction form
1,489,523.18/2,232,535.16 = 689,113.98/x - Step 3: Cross multiply
1,489,523.18x = 2,232,535.16 × 689,113.98 - Step 4: Simplify right side
1,489,523.18x = 1,538,471,191,320.32 - Step 5: Solve for x
x = 1,538,471,191,320.32/1,489,523.18 - Step 6: Final answer
x = 1,032,861.53
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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.