Finding the Fourth Proportional to 5,186,298.11, 7,156,579.84 and 2,863,039.79
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Solution
The fourth proportional to 5,186,298.11, 7,156,579.84 and 2,863,039.79 is: 3,950,712.52
Step by Step Solution
- Step 1: Write the proportion equation
5,186,298.11 : 7,156,579.84 = 2,863,039.79 : x - Step 2: Convert to fraction form
5,186,298.11/7,156,579.84 = 2,863,039.79/x - Step 3: Cross multiply
5,186,298.11x = 7,156,579.84 × 2,863,039.79 - Step 4: Simplify right side
5,186,298.11x = 20,489,572,852,965.68 - Step 5: Solve for x
x = 20,489,572,852,965.68/5,186,298.11 - Step 6: Final answer
x = 3,950,712.52
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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.