Finding the Fourth Proportional to 2,679,137.61, 3,697,195.12 and 1,455,433.35
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Solution
The fourth proportional to 2,679,137.61, 3,697,195.12 and 1,455,433.35 is: 2,008,489.99
Step by Step Solution
- Step 1: Write the proportion equation
2,679,137.61 : 3,697,195.12 = 1,455,433.35 : x - Step 2: Convert to fraction form
2,679,137.61/3,697,195.12 = 1,455,433.35/x - Step 3: Cross multiply
2,679,137.61x = 3,697,195.12 × 1,455,433.35 - Step 4: Simplify right side
2,679,137.61x = 5,381,021,061,602.19 - Step 5: Solve for x
x = 5,381,021,061,602.19/2,679,137.61 - Step 6: Final answer
x = 2,008,489.99
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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.