Finding the Fourth Proportional to 927,122.70, 1,388,610.45 and 906,386.70
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Solution
The fourth proportional to 927,122.70, 1,388,610.45 and 906,386.70 is: 1,357,552.83
Step by Step Solution
- Step 1: Write the proportion equation
927,122.70 : 1,388,610.45 = 906,386.70 : x - Step 2: Convert to fraction form
927,122.70/1,388,610.45 = 906,386.70/x - Step 3: Cross multiply
927,122.70x = 1,388,610.45 × 906,386.70 - Step 4: Simplify right side
927,122.70x = 1,258,618,043,361.01 - Step 5: Solve for x
x = 1,258,618,043,361.01/927,122.70 - Step 6: Final answer
x = 1,357,552.83
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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.