Finding the Fourth Proportional to 1,780,743.42, 2,457,471.56 and 1,016,868.06
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Solution
The fourth proportional to 1,780,743.42, 2,457,471.56 and 1,016,868.06 is: 1,403,303.98
Step by Step Solution
- Step 1: Write the proportion equation
1,780,743.42 : 2,457,471.56 = 1,016,868.06 : x - Step 2: Convert to fraction form
1,780,743.42/2,457,471.56 = 1,016,868.06/x - Step 3: Cross multiply
1,780,743.42x = 2,457,471.56 × 1,016,868.06 - Step 4: Simplify right side
1,780,743.42x = 2,498,924,332,638.03 - Step 5: Solve for x
x = 2,498,924,332,638.03/1,780,743.42 - Step 6: Final answer
x = 1,403,303.98
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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.