Finding the Fourth Proportional to 6,487,400.70, 9,731,230.65 and 1,694,792.70
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Solution
The fourth proportional to 6,487,400.70, 9,731,230.65 and 1,694,792.70 is: 2,542,222.91
Step by Step Solution
- Step 1: Write the proportion equation
6,487,400.70 : 9,731,230.65 = 1,694,792.70 : x - Step 2: Convert to fraction form
6,487,400.70/9,731,230.65 = 1,694,792.70/x - Step 3: Cross multiply
6,487,400.70x = 9,731,230.65 × 1,694,792.70 - Step 4: Simplify right side
6,487,400.70x = 16,492,418,667,636.26 - Step 5: Solve for x
x = 16,492,418,667,636.26/6,487,400.70 - Step 6: Final answer
x = 2,542,222.91
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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.