Finding the Fourth Proportional to 1,418,640.24, 2,128,281.12 and 472,048.32
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Solution
The fourth proportional to 1,418,640.24, 2,128,281.12 and 472,048.32 is: 708,179.21
Step by Step Solution
- Step 1: Write the proportion equation
1,418,640.24 : 2,128,281.12 = 472,048.32 : x - Step 2: Convert to fraction form
1,418,640.24/2,128,281.12 = 472,048.32/x - Step 3: Cross multiply
1,418,640.24x = 2,128,281.12 × 472,048.32 - Step 4: Simplify right side
1,418,640.24x = 1,004,651,527,183.72 - Step 5: Solve for x
x = 1,004,651,527,183.72/1,418,640.24 - Step 6: Final answer
x = 708,179.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.