Finding the Fourth Proportional to 1,551,235.46, 2,139,830.34 and 930,879.96
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Solution
The fourth proportional to 1,551,235.46, 2,139,830.34 and 930,879.96 is: 1,284,089.51
Step by Step Solution
- Step 1: Write the proportion equation
1,551,235.46 : 2,139,830.34 = 930,879.96 : x - Step 2: Convert to fraction form
1,551,235.46/2,139,830.34 = 930,879.96/x - Step 3: Cross multiply
1,551,235.46x = 2,139,830.34 × 930,879.96 - Step 4: Simplify right side
1,551,235.46x = 1,991,925,181,305.99 - Step 5: Solve for x
x = 1,991,925,181,305.99/1,551,235.46 - Step 6: Final answer
x = 1,284,089.51
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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.