Finding the Fourth Proportional to 1,586,958.96, 2,190,809.94 and 1,006,774.74
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Solution
The fourth proportional to 1,586,958.96, 2,190,809.94 and 1,006,774.74 is: 1,389,860.84
Step by Step Solution
- Step 1: Write the proportion equation
1,586,958.96 : 2,190,809.94 = 1,006,774.74 : x - Step 2: Convert to fraction form
1,586,958.96/2,190,809.94 = 1,006,774.74/x - Step 3: Cross multiply
1,586,958.96x = 2,190,809.94 × 1,006,774.74 - Step 4: Simplify right side
1,586,958.96x = 2,205,652,110,119.16 - Step 5: Solve for x
x = 2,205,652,110,119.16/1,586,958.96 - Step 6: Final answer
x = 1,389,860.84
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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.