Finding the Fourth Proportional to 3,591,742.84, 4,957,243.95 and 2,141,530.18
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Solution
The fourth proportional to 3,591,742.84, 4,957,243.95 and 2,141,530.18 is: 2,955,692.54
Step by Step Solution
- Step 1: Write the proportion equation
3,591,742.84 : 4,957,243.95 = 2,141,530.18 : x - Step 2: Convert to fraction form
3,591,742.84/4,957,243.95 = 2,141,530.18/x - Step 3: Cross multiply
3,591,742.84x = 4,957,243.95 × 2,141,530.18 - Step 4: Simplify right side
3,591,742.84x = 10,616,087,528,547.41 - Step 5: Solve for x
x = 10,616,087,528,547.41/3,591,742.84 - Step 6: Final answer
x = 2,955,692.54
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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.