Finding the Fourth Proportional to 1,514,821.41, 2,089,749.06 and 902,630.70
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Solution
The fourth proportional to 1,514,821.41, 2,089,749.06 and 902,630.70 is: 1,245,210.59
Step by Step Solution
- Step 1: Write the proportion equation
1,514,821.41 : 2,089,749.06 = 902,630.70 : x - Step 2: Convert to fraction form
1,514,821.41/2,089,749.06 = 902,630.70/x - Step 3: Cross multiply
1,514,821.41x = 2,089,749.06 × 902,630.70 - Step 4: Simplify right side
1,514,821.41x = 1,886,271,656,852.14 - Step 5: Solve for x
x = 1,886,271,656,852.14/1,514,821.41 - Step 6: Final answer
x = 1,245,210.59
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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.