Finding the Fourth Proportional to 1,666,328.13, 2,299,528.17 and 902,381.49
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Solution
The fourth proportional to 1,666,328.13, 2,299,528.17 and 902,381.49 is: 1,245,283.94
Step by Step Solution
- Step 1: Write the proportion equation
1,666,328.13 : 2,299,528.17 = 902,381.49 : x - Step 2: Convert to fraction form
1,666,328.13/2,299,528.17 = 902,381.49/x - Step 3: Cross multiply
1,666,328.13x = 2,299,528.17 × 902,381.49 - Step 4: Simplify right side
1,666,328.13x = 2,075,051,656,341.57 - Step 5: Solve for x
x = 2,075,051,656,341.57/1,666,328.13 - Step 6: Final answer
x = 1,245,283.94
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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.