Finding the Fourth Proportional to 1,669,876.27, 2,304,430.08 and 905,929.63
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Solution
The fourth proportional to 1,669,876.27, 2,304,430.08 and 905,929.63 is: 1,250,183.34
Step by Step Solution
- Step 1: Write the proportion equation
1,669,876.27 : 2,304,430.08 = 905,929.63 : x - Step 2: Convert to fraction form
1,669,876.27/2,304,430.08 = 905,929.63/x - Step 3: Cross multiply
1,669,876.27x = 2,304,430.08 × 905,929.63 - Step 4: Simplify right side
1,669,876.27x = 2,087,651,478,213.12 - Step 5: Solve for x
x = 2,087,651,478,213.12/1,669,876.27 - Step 6: Final answer
x = 1,250,183.34
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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.