Finding the Fourth Proportional to 2,628,041.44, 3,626,701.44 and 1,420,817.44
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Solution
The fourth proportional to 2,628,041.44, 3,626,701.44 and 1,420,817.44 is: 1,960,730.37
Step by Step Solution
- Step 1: Write the proportion equation
2,628,041.44 : 3,626,701.44 = 1,420,817.44 : x - Step 2: Convert to fraction form
2,628,041.44/3,626,701.44 = 1,420,817.44/x - Step 3: Cross multiply
2,628,041.44x = 3,626,701.44 × 1,420,817.44 - Step 4: Simplify right side
2,628,041.44x = 5,152,880,655,625.11 - Step 5: Solve for x
x = 5,152,880,655,625.11/2,628,041.44 - Step 6: Final answer
x = 1,960,730.37
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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.