Finding the Fourth Proportional to 4,345,720.40, 6,520,913.40 and 1,821,630.80
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Solution
The fourth proportional to 4,345,720.40, 6,520,913.40 and 1,821,630.80 is: 2,733,424.06
Step by Step Solution
- Step 1: Write the proportion equation
4,345,720.40 : 6,520,913.40 = 1,821,630.80 : x - Step 2: Convert to fraction form
4,345,720.40/6,520,913.40 = 1,821,630.80/x - Step 3: Cross multiply
4,345,720.40x = 6,520,913.40 × 1,821,630.80 - Step 4: Simplify right side
4,345,720.40x = 11,878,696,693,572.72 - Step 5: Solve for x
x = 11,878,696,693,572.72/4,345,720.40 - Step 6: Final answer
x = 2,733,424.06
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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.