Finding the Fourth Proportional to 1,440,562.19, 2,160,843.35 and 493,941.11
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Solution
The fourth proportional to 1,440,562.19, 2,160,843.35 and 493,941.11 is: 740,911.68
Step by Step Solution
- Step 1: Write the proportion equation
1,440,562.19 : 2,160,843.35 = 493,941.11 : x - Step 2: Convert to fraction form
1,440,562.19/2,160,843.35 = 493,941.11/x - Step 3: Cross multiply
1,440,562.19x = 2,160,843.35 × 493,941.11 - Step 4: Simplify right side
1,440,562.19x = 1,067,329,349,561.20 - Step 5: Solve for x
x = 1,067,329,349,561.20/1,440,562.19 - Step 6: Final answer
x = 740,911.68
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1.5x scale
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.