Finding the Fourth Proportional to 1,558,430.09, 2,335,617.46 and 634,108.84
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Solution
The fourth proportional to 1,558,430.09, 2,335,617.46 and 634,108.84 is: 950,338.22
Step by Step Solution
- Step 1: Write the proportion equation
1,558,430.09 : 2,335,617.46 = 634,108.84 : x - Step 2: Convert to fraction form
1,558,430.09/2,335,617.46 = 634,108.84/x - Step 3: Cross multiply
1,558,430.09x = 2,335,617.46 × 634,108.84 - Step 4: Simplify right side
1,558,430.09x = 1,481,035,678,244.35 - Step 5: Solve for x
x = 1,481,035,678,244.35/1,558,430.09 - Step 6: Final answer
x = 950,338.22
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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.