Finding the Fourth Proportional to 2,487,297.18, 3,730,528.41 and 690,363.21
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Solution
The fourth proportional to 2,487,297.18, 3,730,528.41 and 690,363.21 is: 1,035,428.97
Step by Step Solution
- Step 1: Write the proportion equation
2,487,297.18 : 3,730,528.41 = 690,363.21 : x - Step 2: Convert to fraction form
2,487,297.18/3,730,528.41 = 690,363.21/x - Step 3: Cross multiply
2,487,297.18x = 3,730,528.41 × 690,363.21 - Step 4: Simplify right side
2,487,297.18x = 2,575,419,568,123.80 - Step 5: Solve for x
x = 2,575,419,568,123.80/2,487,297.18 - Step 6: Final answer
x = 1,035,428.97
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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.