Finding the Fourth Proportional to 1,666,376.48, 2,299,588.09 and 902,412.56
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Solution
The fourth proportional to 1,666,376.48, 2,299,588.09 and 902,412.56 is: 1,245,323.12
Step by Step Solution
- Step 1: Write the proportion equation
1,666,376.48 : 2,299,588.09 = 902,412.56 : x - Step 2: Convert to fraction form
1,666,376.48/2,299,588.09 = 902,412.56/x - Step 3: Cross multiply
1,666,376.48x = 2,299,588.09 × 902,412.56 - Step 4: Simplify right side
1,666,376.48x = 2,075,177,159,232.41 - Step 5: Solve for x
x = 2,075,177,159,232.41/1,666,376.48 - Step 6: Final answer
x = 1,245,323.12
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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.