Finding the Fourth Proportional to 1,673,586.24, 2,309,572.56 and 909,639.84
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Solution
The fourth proportional to 1,673,586.24, 2,309,572.56 and 909,639.84 is: 1,255,315.78
Step by Step Solution
- Step 1: Write the proportion equation
1,673,586.24 : 2,309,572.56 = 909,639.84 : x - Step 2: Convert to fraction form
1,673,586.24/2,309,572.56 = 909,639.84/x - Step 3: Cross multiply
1,673,586.24x = 2,309,572.56 × 909,639.84 - Step 4: Simplify right side
1,673,586.24x = 2,100,879,213,946.79 - Step 5: Solve for x
x = 2,100,879,213,946.79/1,673,586.24 - Step 6: Final answer
x = 1,255,315.78
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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.