Finding the Fourth Proportional to 1,513,685.52, 2,089,392.19 and 902,030.09
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Solution
The fourth proportional to 1,513,685.52, 2,089,392.19 and 902,030.09 is: 1,245,103.15
Step by Step Solution
- Step 1: Write the proportion equation
1,513,685.52 : 2,089,392.19 = 902,030.09 : x - Step 2: Convert to fraction form
1,513,685.52/2,089,392.19 = 902,030.09/x - Step 3: Cross multiply
1,513,685.52x = 2,089,392.19 × 902,030.09 - Step 4: Simplify right side
1,513,685.52x = 1,884,694,612,488.96 - Step 5: Solve for x
x = 1,884,694,612,488.96/1,513,685.52 - Step 6: Final answer
x = 1,245,103.15
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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.