Finding the Fourth Proportional to 4,528,959.96, 6,790,834.98 and 2,709,142.68
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Solution
The fourth proportional to 4,528,959.96, 6,790,834.98 and 2,709,142.68 is: 4,062,155.78
Step by Step Solution
- Step 1: Write the proportion equation
4,528,959.96 : 6,790,834.98 = 2,709,142.68 : x - Step 2: Convert to fraction form
4,528,959.96/6,790,834.98 = 2,709,142.68/x - Step 3: Cross multiply
4,528,959.96x = 6,790,834.98 × 2,709,142.68 - Step 4: Simplify right side
4,528,959.96x = 18,397,340,877,154.95 - Step 5: Solve for x
x = 18,397,340,877,154.95/4,528,959.96 - Step 6: Final answer
x = 4,062,155.78
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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.