Finding the Fourth Proportional to 2,487,991.97, 3,432,112.02 and 1,712,276.08
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Solution
The fourth proportional to 2,487,991.97, 3,432,112.02 and 1,712,276.08 is: 2,362,034.67
Step by Step Solution
- Step 1: Write the proportion equation
2,487,991.97 : 3,432,112.02 = 1,712,276.08 : x - Step 2: Convert to fraction form
2,487,991.97/3,432,112.02 = 1,712,276.08/x - Step 3: Cross multiply
2,487,991.97x = 3,432,112.02 × 1,712,276.08 - Step 4: Simplify right side
2,487,991.97x = 5,876,723,307,146.20 - Step 5: Solve for x
x = 5,876,723,307,146.20/2,487,991.97 - Step 6: Final answer
x = 2,362,034.67
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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.