Finding the Fourth Proportional to 5,157,572.03, 7,117,620.05 and 2,834,546.90
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Solution
The fourth proportional to 5,157,572.03, 7,117,620.05 and 2,834,546.90 is: 3,911,768.50
Step by Step Solution
- Step 1: Write the proportion equation
5,157,572.03 : 7,117,620.05 = 2,834,546.90 : x - Step 2: Convert to fraction form
5,157,572.03/7,117,620.05 = 2,834,546.90/x - Step 3: Cross multiply
5,157,572.03x = 7,117,620.05 × 2,834,546.90 - Step 4: Simplify right side
5,157,572.03x = 20,175,227,808,974.06 - Step 5: Solve for x
x = 20,175,227,808,974.06/5,157,572.03 - Step 6: Final answer
x = 3,911,768.50
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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.