Finding the Fourth Proportional to 3,663,833.11, 5,495,763.74 and 1,532,421.99
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Solution
The fourth proportional to 3,663,833.11, 5,495,763.74 and 1,532,421.99 is: 2,298,638.87
Step by Step Solution
- Step 1: Write the proportion equation
3,663,833.11 : 5,495,763.74 = 1,532,421.99 : x - Step 2: Convert to fraction form
3,663,833.11/5,495,763.74 = 1,532,421.99/x - Step 3: Cross multiply
3,663,833.11x = 5,495,763.74 × 1,532,421.99 - Step 4: Simplify right side
3,663,833.11x = 8,421,829,199,358.53 - Step 5: Solve for x
x = 8,421,829,199,358.53/3,663,833.11 - Step 6: Final answer
x = 2,298,638.87
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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.