Finding the Fourth Proportional to 1,418,844.16, 2,128,206.70 and 660,424.82
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Solution
The fourth proportional to 1,418,844.16, 2,128,206.70 and 660,424.82 is: 990,609.52
Step by Step Solution
- Step 1: Write the proportion equation
1,418,844.16 : 2,128,206.70 = 660,424.82 : x - Step 2: Convert to fraction form
1,418,844.16/2,128,206.70 = 660,424.82/x - Step 3: Cross multiply
1,418,844.16x = 2,128,206.70 × 660,424.82 - Step 4: Simplify right side
1,418,844.16x = 1,405,520,523,468.17 - Step 5: Solve for x
x = 1,405,520,523,468.17/1,418,844.16 - Step 6: Final answer
x = 990,609.52
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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.