Finding the Fourth Proportional to 1,934,246.10, 2,669,206.56 and 1,074,784.26
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Solution
The fourth proportional to 1,934,246.10, 2,669,206.56 and 1,074,784.26 is: 1,483,172.80
Step by Step Solution
- Step 1: Write the proportion equation
1,934,246.10 : 2,669,206.56 = 1,074,784.26 : x - Step 2: Convert to fraction form
1,934,246.10/2,669,206.56 = 1,074,784.26/x - Step 3: Cross multiply
1,934,246.10x = 2,669,206.56 × 1,074,784.26 - Step 4: Simplify right side
1,934,246.10x = 2,868,821,197,376.75 - Step 5: Solve for x
x = 2,868,821,197,376.75/1,934,246.10 - Step 6: Final answer
x = 1,483,172.80
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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.