Finding the Fourth Proportional to 1,666,355.76, 2,299,567.44 and 902,406.96
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Solution
The fourth proportional to 1,666,355.76, 2,299,567.44 and 902,406.96 is: 1,245,319.70
Step by Step Solution
- Step 1: Write the proportion equation
1,666,355.76 : 2,299,567.44 = 902,406.96 : x - Step 2: Convert to fraction form
1,666,355.76/2,299,567.44 = 902,406.96/x - Step 3: Cross multiply
1,666,355.76x = 2,299,567.44 × 902,406.96 - Step 4: Simplify right side
1,666,355.76x = 2,075,145,662,845.38 - Step 5: Solve for x
x = 2,075,145,662,845.38/1,666,355.76 - Step 6: Final answer
x = 1,245,319.70
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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.