Finding the Fourth Proportional to 4,220,098.52, 5,823,741.74 and 2,286,359.19
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Solution
The fourth proportional to 4,220,098.52, 5,823,741.74 and 2,286,359.19 is: 3,155,178.82
Step by Step Solution
- Step 1: Write the proportion equation
4,220,098.52 : 5,823,741.74 = 2,286,359.19 : x - Step 2: Convert to fraction form
4,220,098.52/5,823,741.74 = 2,286,359.19/x - Step 3: Cross multiply
4,220,098.52x = 5,823,741.74 × 2,286,359.19 - Step 4: Simplify right side
4,220,098.52x = 13,315,165,436,003.79 - Step 5: Solve for x
x = 13,315,165,436,003.79/4,220,098.52 - Step 6: Final answer
x = 3,155,178.82
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1.5x scale
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.