Finding the Fourth Proportional to 3,638,276.34, 5,457,992.85 and 1,209,515.82
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Solution
The fourth proportional to 3,638,276.34, 5,457,992.85 and 1,209,515.82 is: 1,814,465.99
Step by Step Solution
- Step 1: Write the proportion equation
3,638,276.34 : 5,457,992.85 = 1,209,515.82 : x - Step 2: Convert to fraction form
3,638,276.34/5,457,992.85 = 1,209,515.82/x - Step 3: Cross multiply
3,638,276.34x = 5,457,992.85 × 1,209,515.82 - Step 4: Simplify right side
3,638,276.34x = 6,601,528,697,521.89 - Step 5: Solve for x
x = 6,601,528,697,521.89/3,638,276.34 - Step 6: Final answer
x = 1,814,465.99
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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.