Finding the Fourth Proportional to 4,620,074.20, 6,929,581.86 and 1,208,690
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Solution
The fourth proportional to 4,620,074.20, 6,929,581.86 and 1,208,690 is: 1,812,896.49
Step by Step Solution
- Step 1: Write the proportion equation
4,620,074.20 : 6,929,581.86 = 1,208,690 : x - Step 2: Convert to fraction form
4,620,074.20/6,929,581.86 = 1,208,690/x - Step 3: Cross multiply
4,620,074.20x = 6,929,581.86 × 1,208,690 - Step 4: Simplify right side
4,620,074.20x = 8,375,716,298,363.40 - Step 5: Solve for x
x = 8,375,716,298,363.40/4,620,074.20 - Step 6: Final answer
x = 1,812,896.49
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.