Finding the Fourth Proportional to 4,914,572.74, 7,368,817.83 and 1,919,234.50
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Solution
The fourth proportional to 4,914,572.74, 7,368,817.83 and 1,919,234.50 is: 2,877,664.07
Step by Step Solution
- Step 1: Write the proportion equation
4,914,572.74 : 7,368,817.83 = 1,919,234.50 : x - Step 2: Convert to fraction form
4,914,572.74/7,368,817.83 = 1,919,234.50/x - Step 3: Cross multiply
4,914,572.74x = 7,368,817.83 × 1,919,234.50 - Step 4: Simplify right side
4,914,572.74x = 14,142,489,403,551.13 - Step 5: Solve for x
x = 14,142,489,403,551.13/4,914,572.74 - Step 6: Final answer
x = 2,877,664.07
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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.