Finding the Fourth Proportional to 2,935,643.40, 4,403,465.10 and 2,487,745.80
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Solution
The fourth proportional to 2,935,643.40, 4,403,465.10 and 2,487,745.80 is: 3,731,618.70
Step by Step Solution
- Step 1: Write the proportion equation
2,935,643.40 : 4,403,465.10 = 2,487,745.80 : x - Step 2: Convert to fraction form
2,935,643.40/4,403,465.10 = 2,487,745.80/x - Step 3: Cross multiply
2,935,643.40x = 4,403,465.10 × 2,487,745.80 - Step 4: Simplify right side
2,935,643.40x = 10,954,701,807,971.58 - Step 5: Solve for x
x = 10,954,701,807,971.58/2,935,643.40 - Step 6: Final answer
x = 3,731,618.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.