Finding the Fourth Proportional to 1,666,380.60, 2,299,593.78 and 902,416.68
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Solution
The fourth proportional to 1,666,380.60, 2,299,593.78 and 902,416.68 is: 1,245,328.82
Step by Step Solution
- Step 1: Write the proportion equation
1,666,380.60 : 2,299,593.78 = 902,416.68 : x - Step 2: Convert to fraction form
1,666,380.60/2,299,593.78 = 902,416.68/x - Step 3: Cross multiply
1,666,380.60x = 2,299,593.78 × 902,416.68 - Step 4: Simplify right side
1,666,380.60x = 2,075,191,784,296.25 - Step 5: Solve for x
x = 2,075,191,784,296.25/1,666,380.60 - Step 6: Final answer
x = 1,245,328.82
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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.