Finding the Fourth Proportional to 1,666,329.13, 2,299,529.55 and 902,382.49
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Solution
The fourth proportional to 1,666,329.13, 2,299,529.55 and 902,382.49 is: 1,245,285.32
Step by Step Solution
- Step 1: Write the proportion equation
1,666,329.13 : 2,299,529.55 = 902,382.49 : x - Step 2: Convert to fraction form
1,666,329.13/2,299,529.55 = 902,382.49/x - Step 3: Cross multiply
1,666,329.13x = 2,299,529.55 × 902,382.49 - Step 4: Simplify right side
1,666,329.13x = 2,075,055,201,157.58 - Step 5: Solve for x
x = 2,075,055,201,157.58/1,666,329.13 - Step 6: Final answer
x = 1,245,285.32
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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.