Finding the Fourth Proportional to 4,551,845.52, 6,281,981.38 and 2,487,175.06
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Solution
The fourth proportional to 4,551,845.52, 6,281,981.38 and 2,487,175.06 is: 3,432,539.03
Step by Step Solution
- Step 1: Write the proportion equation
4,551,845.52 : 6,281,981.38 = 2,487,175.06 : x - Step 2: Convert to fraction form
4,551,845.52/6,281,981.38 = 2,487,175.06/x - Step 3: Cross multiply
4,551,845.52x = 6,281,981.38 × 2,487,175.06 - Step 4: Simplify right side
4,551,845.52x = 15,624,387,415,720.38 - Step 5: Solve for x
x = 15,624,387,415,720.38/4,551,845.52 - Step 6: Final answer
x = 3,432,539.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.