Finding the Fourth Proportional to 2,048,447.70, 3,072,671.55 and 718,751.70
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Solution
The fourth proportional to 2,048,447.70, 3,072,671.55 and 718,751.70 is: 1,078,127.55
Step by Step Solution
- Step 1: Write the proportion equation
2,048,447.70 : 3,072,671.55 = 718,751.70 : x - Step 2: Convert to fraction form
2,048,447.70/3,072,671.55 = 718,751.70/x - Step 3: Cross multiply
2,048,447.70x = 3,072,671.55 × 718,751.70 - Step 4: Simplify right side
2,048,447.70x = 2,208,487,900,104.13 - Step 5: Solve for x
x = 2,208,487,900,104.13/2,048,447.70 - Step 6: Final answer
x = 1,078,127.55
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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.