Finding the Fourth Proportional to 2,987,651.36, 4,462,426.90 and 2,702,902.88
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Solution
The fourth proportional to 2,987,651.36, 4,462,426.90 and 2,702,902.88 is: 4,037,119.82
Step by Step Solution
- Step 1: Write the proportion equation
2,987,651.36 : 4,462,426.90 = 2,702,902.88 : x - Step 2: Convert to fraction form
2,987,651.36/4,462,426.90 = 2,702,902.88/x - Step 3: Cross multiply
2,987,651.36x = 4,462,426.90 × 2,702,902.88 - Step 4: Simplify right side
2,987,651.36x = 12,061,506,519,799.47 - Step 5: Solve for x
x = 12,061,506,519,799.47/2,987,651.36 - Step 6: Final answer
x = 4,037,119.82
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.