Finding the Fourth Proportional to 5,492,272.77, 8,238,392.64 and 1,393,585.92
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Solution
The fourth proportional to 5,492,272.77, 8,238,392.64 and 1,393,585.92 is: 2,090,374.69
Step by Step Solution
- Step 1: Write the proportion equation
5,492,272.77 : 8,238,392.64 = 1,393,585.92 : x - Step 2: Convert to fraction form
5,492,272.77/8,238,392.64 = 1,393,585.92/x - Step 3: Cross multiply
5,492,272.77x = 8,238,392.64 × 1,393,585.92 - Step 4: Simplify right side
5,492,272.77x = 11,480,907,986,535.63 - Step 5: Solve for x
x = 11,480,907,986,535.63/5,492,272.77 - Step 6: Final answer
x = 2,090,374.69
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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.