Finding the Fourth Proportional to 2,079,715.30, 3,119,572.95 and 1,180,809.70
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Solution
The fourth proportional to 2,079,715.30, 3,119,572.95 and 1,180,809.70 is: 1,771,214.55
Step by Step Solution
- Step 1: Write the proportion equation
2,079,715.30 : 3,119,572.95 = 1,180,809.70 : x - Step 2: Convert to fraction form
2,079,715.30/3,119,572.95 = 1,180,809.70/x - Step 3: Cross multiply
2,079,715.30x = 3,119,572.95 × 1,180,809.70 - Step 4: Simplify right side
2,079,715.30x = 3,683,621,999,217.62 - Step 5: Solve for x
x = 3,683,621,999,217.62/2,079,715.30 - Step 6: Final answer
x = 1,771,214.55
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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.