Finding the Fourth Proportional to 4,643,134.84, 6,407,843.50 and 2,578,257.08
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Solution
The fourth proportional to 4,643,134.84, 6,407,843.50 and 2,578,257.08 is: 3,558,171.03
Step by Step Solution
- Step 1: Write the proportion equation
4,643,134.84 : 6,407,843.50 = 2,578,257.08 : x - Step 2: Convert to fraction form
4,643,134.84/6,407,843.50 = 2,578,257.08/x - Step 3: Cross multiply
4,643,134.84x = 6,407,843.50 × 2,578,257.08 - Step 4: Simplify right side
4,643,134.84x = 16,521,067,871,406.98 - Step 5: Solve for x
x = 16,521,067,871,406.98/4,643,134.84 - Step 6: Final answer
x = 3,558,171.03
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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.