Finding the Fourth Proportional to 5,122,595.16, 7,069,183.74 and 2,830,755.78
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Solution
The fourth proportional to 5,122,595.16, 7,069,183.74 and 2,830,755.78 is: 3,906,444.31
Step by Step Solution
- Step 1: Write the proportion equation
5,122,595.16 : 7,069,183.74 = 2,830,755.78 : x - Step 2: Convert to fraction form
5,122,595.16/7,069,183.74 = 2,830,755.78/x - Step 3: Cross multiply
5,122,595.16x = 7,069,183.74 × 2,830,755.78 - Step 4: Simplify right side
5,122,595.16x = 20,011,132,731,887.02 - Step 5: Solve for x
x = 20,011,132,731,887.02/5,122,595.16 - Step 6: Final answer
x = 3,906,444.31
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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.