Finding the Fourth Proportional to 1,743,303.12, 2,405,743.80 and 979,340.16
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Solution
The fourth proportional to 1,743,303.12, 2,405,743.80 and 979,340.16 is: 1,351,481.27
Step by Step Solution
- Step 1: Write the proportion equation
1,743,303.12 : 2,405,743.80 = 979,340.16 : x - Step 2: Convert to fraction form
1,743,303.12/2,405,743.80 = 979,340.16/x - Step 3: Cross multiply
1,743,303.12x = 2,405,743.80 × 979,340.16 - Step 4: Simplify right side
1,743,303.12x = 2,356,041,518,011.01 - Step 5: Solve for x
x = 2,356,041,518,011.01/1,743,303.12 - Step 6: Final answer
x = 1,351,481.27
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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.