Finding the Fourth Proportional to 2,996,131.68, 4,134,946.32 and 1,638,208.80
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Solution
The fourth proportional to 2,996,131.68, 4,134,946.32 and 1,638,208.80 is: 2,260,883.76
Step by Step Solution
- Step 1: Write the proportion equation
2,996,131.68 : 4,134,946.32 = 1,638,208.80 : x - Step 2: Convert to fraction form
2,996,131.68/4,134,946.32 = 1,638,208.80/x - Step 3: Cross multiply
2,996,131.68x = 4,134,946.32 × 1,638,208.80 - Step 4: Simplify right side
2,996,131.68x = 6,773,905,448,951.62 - Step 5: Solve for x
x = 6,773,905,448,951.62/2,996,131.68 - Step 6: Final answer
x = 2,260,883.76
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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.