Finding the Fourth Proportional to 1,513,581.41, 2,088,756.45 and 834,542.05
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Solution
The fourth proportional to 1,513,581.41, 2,088,756.45 and 834,542.05 is: 1,151,675.81
Step by Step Solution
- Step 1: Write the proportion equation
1,513,581.41 : 2,088,756.45 = 834,542.05 : x - Step 2: Convert to fraction form
1,513,581.41/2,088,756.45 = 834,542.05/x - Step 3: Cross multiply
1,513,581.41x = 2,088,756.45 × 834,542.05 - Step 4: Simplify right side
1,513,581.41x = 1,743,155,089,733.72 - Step 5: Solve for x
x = 1,743,155,089,733.72/1,513,581.41 - Step 6: Final answer
x = 1,151,675.81
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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.