Finding the Fourth Proportional to 2,438,220.74, 3,657,343.27 and 999,689.90
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Solution
The fourth proportional to 2,438,220.74, 3,657,343.27 and 999,689.90 is: 1,499,539.84
Step by Step Solution
- Step 1: Write the proportion equation
2,438,220.74 : 3,657,343.27 = 999,689.90 : x - Step 2: Convert to fraction form
2,438,220.74/3,657,343.27 = 999,689.90/x - Step 3: Cross multiply
2,438,220.74x = 3,657,343.27 × 999,689.90 - Step 4: Simplify right side
2,438,220.74x = 3,656,209,127,851.97 - Step 5: Solve for x
x = 3,656,209,127,851.97/2,438,220.74 - Step 6: Final answer
x = 1,499,539.84
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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.