Finding the Fourth Proportional to 2,441,643.20, 3,661,715.84 and 1,688,325.12
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Solution
The fourth proportional to 2,441,643.20, 3,661,715.84 and 1,688,325.12 is: 2,531,969.80
Step by Step Solution
- Step 1: Write the proportion equation
2,441,643.20 : 3,661,715.84 = 1,688,325.12 : x - Step 2: Convert to fraction form
2,441,643.20/3,661,715.84 = 1,688,325.12/x - Step 3: Cross multiply
2,441,643.20x = 3,661,715.84 × 1,688,325.12 - Step 4: Simplify right side
2,441,643.20x = 6,182,166,834,973.90 - Step 5: Solve for x
x = 6,182,166,834,973.90/2,441,643.20 - Step 6: Final answer
x = 2,531,969.80
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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.