Finding the Fourth Proportional to 1,343,162.70, 2,014,744.05 and 1,219,159.80
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Solution
The fourth proportional to 1,343,162.70, 2,014,744.05 and 1,219,159.80 is: 1,828,739.70
Step by Step Solution
- Step 1: Write the proportion equation
1,343,162.70 : 2,014,744.05 = 1,219,159.80 : x - Step 2: Convert to fraction form
1,343,162.70/2,014,744.05 = 1,219,159.80/x - Step 3: Cross multiply
1,343,162.70x = 2,014,744.05 × 1,219,159.80 - Step 4: Simplify right side
1,343,162.70x = 2,456,294,953,049.19 - Step 5: Solve for x
x = 2,456,294,953,049.19/1,343,162.70 - Step 6: Final answer
x = 1,828,739.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.