Finding the Fourth Proportional to 3,609,824.88, 4,983,823.40 and 2,322,901.68
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Solution
The fourth proportional to 3,609,824.88, 4,983,823.40 and 2,322,901.68 is: 3,207,061.88
Step by Step Solution
- Step 1: Write the proportion equation
3,609,824.88 : 4,983,823.40 = 2,322,901.68 : x - Step 2: Convert to fraction form
3,609,824.88/4,983,823.40 = 2,322,901.68/x - Step 3: Cross multiply
3,609,824.88x = 4,983,823.40 × 2,322,901.68 - Step 4: Simplify right side
3,609,824.88x = 11,576,931,748,683.31 - Step 5: Solve for x
x = 11,576,931,748,683.31/3,609,824.88 - Step 6: Final answer
x = 3,207,061.88
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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.