Finding the Fourth Proportional to 4,643,137.91, 6,407,530.29 and 2,605,947.41
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Solution
The fourth proportional to 4,643,137.91, 6,407,530.29 and 2,605,947.41 is: 3,596,207.41
Step by Step Solution
- Step 1: Write the proportion equation
4,643,137.91 : 6,407,530.29 = 2,605,947.41 : x - Step 2: Convert to fraction form
4,643,137.91/6,407,530.29 = 2,605,947.41/x - Step 3: Cross multiply
4,643,137.91x = 6,407,530.29 × 2,605,947.41 - Step 4: Simplify right side
4,643,137.91x = 16,697,686,979,740.88 - Step 5: Solve for x
x = 16,697,686,979,740.88/4,643,137.91 - Step 6: Final answer
x = 3,596,207.41
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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.