Finding the Fourth Proportional to 1,639,723.60, 2,264,582.91 and 1,248,364.20
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Solution
The fourth proportional to 1,639,723.60, 2,264,582.91 and 1,248,364.20 is: 1,724,085.84
Step by Step Solution
- Step 1: Write the proportion equation
1,639,723.60 : 2,264,582.91 = 1,248,364.20 : x - Step 2: Convert to fraction form
1,639,723.60/2,264,582.91 = 1,248,364.20/x - Step 3: Cross multiply
1,639,723.60x = 2,264,582.91 × 1,248,364.20 - Step 4: Simplify right side
1,639,723.60x = 2,827,024,245,949.37 - Step 5: Solve for x
x = 2,827,024,245,949.37/1,639,723.60 - Step 6: Final answer
x = 1,724,085.84
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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.