Finding the Fourth Proportional to 1,486,986.84, 2,230,476.16 and 422,029.92
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Solution
The fourth proportional to 1,486,986.84, 2,230,476.16 and 422,029.92 is: 633,043.72
Step by Step Solution
- Step 1: Write the proportion equation
1,486,986.84 : 2,230,476.16 = 422,029.92 : x - Step 2: Convert to fraction form
1,486,986.84/2,230,476.16 = 422,029.92/x - Step 3: Cross multiply
1,486,986.84x = 2,230,476.16 × 422,029.92 - Step 4: Simplify right side
1,486,986.84x = 941,327,675,366.71 - Step 5: Solve for x
x = 941,327,675,366.71/1,486,986.84 - Step 6: Final answer
x = 633,043.72
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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.