Finding the Fourth Proportional to 5,447,296.98, 7,516,981.97 and 3,124,069.43
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Solution
The fourth proportional to 5,447,296.98, 7,516,981.97 and 3,124,069.43 is: 4,311,050.73
Step by Step Solution
- Step 1: Write the proportion equation
5,447,296.98 : 7,516,981.97 = 3,124,069.43 : x - Step 2: Convert to fraction form
5,447,296.98/7,516,981.97 = 3,124,069.43/x - Step 3: Cross multiply
5,447,296.98x = 7,516,981.97 × 3,124,069.43 - Step 4: Simplify right side
5,447,296.98x = 23,483,573,609,060.85 - Step 5: Solve for x
x = 23,483,573,609,060.85/5,447,296.98 - Step 6: Final answer
x = 4,311,050.73
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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.