Finding the Fourth Proportional to 1,491,984.48, 2,058,880.80 and 812,926.08
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Solution
The fourth proportional to 1,491,984.48, 2,058,880.80 and 812,926.08 is: 1,121,806.51
Step by Step Solution
- Step 1: Write the proportion equation
1,491,984.48 : 2,058,880.80 = 812,926.08 : x - Step 2: Convert to fraction form
1,491,984.48/2,058,880.80 = 812,926.08/x - Step 3: Cross multiply
1,491,984.48x = 2,058,880.80 × 812,926.08 - Step 4: Simplify right side
1,491,984.48x = 1,673,717,897,931.26 - Step 5: Solve for x
x = 1,673,717,897,931.26/1,491,984.48 - Step 6: Final answer
x = 1,121,806.51
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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.