Finding the Fourth Proportional to 5,716,432.11, 7,877,774.24 and 5,611,361.80
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Solution
The fourth proportional to 5,716,432.11, 7,877,774.24 and 5,611,361.80 is: 7,732,977.60
Step by Step Solution
- Step 1: Write the proportion equation
5,716,432.11 : 7,877,774.24 = 5,611,361.80 : x - Step 2: Convert to fraction form
5,716,432.11/7,877,774.24 = 5,611,361.80/x - Step 3: Cross multiply
5,716,432.11x = 7,877,774.24 × 5,611,361.80 - Step 4: Simplify right side
5,716,432.11x = 44,205,041,439,360.03 - Step 5: Solve for x
x = 44,205,041,439,360.03/5,716,432.11 - Step 6: Final answer
x = 7,732,977.60
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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.