Finding the Fourth Proportional to 1,559,686.68, 2,151,469.80 and 939,060.36
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Solution
The fourth proportional to 1,559,686.68, 2,151,469.80 and 939,060.36 is: 1,295,362.74
Step by Step Solution
- Step 1: Write the proportion equation
1,559,686.68 : 2,151,469.80 = 939,060.36 : x - Step 2: Convert to fraction form
1,559,686.68/2,151,469.80 = 939,060.36/x - Step 3: Cross multiply
1,559,686.68x = 2,151,469.80 × 939,060.36 - Step 4: Simplify right side
1,559,686.68x = 2,020,360,004,917.13 - Step 5: Solve for x
x = 2,020,360,004,917.13/1,559,686.68 - Step 6: Final answer
x = 1,295,362.74
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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.