Finding the Fourth Proportional to 5,525,711.08, 7,625,366.40 and 3,078,318.76
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Solution
The fourth proportional to 5,525,711.08, 7,625,366.40 and 3,078,318.76 is: 4,248,015.88
Step by Step Solution
- Step 1: Write the proportion equation
5,525,711.08 : 7,625,366.40 = 3,078,318.76 : x - Step 2: Convert to fraction form
5,525,711.08/7,625,366.40 = 3,078,318.76/x - Step 3: Cross multiply
5,525,711.08x = 7,625,366.40 × 3,078,318.76 - Step 4: Simplify right side
5,525,711.08x = 23,473,308,440,993.66 - Step 5: Solve for x
x = 23,473,308,440,993.66/5,525,711.08 - Step 6: Final answer
x = 4,248,015.88
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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.