Finding the Fourth Proportional to 2,765,828.84, 3,816,564.90 and 1,542,019.28
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Solution
The fourth proportional to 2,765,828.84, 3,816,564.90 and 1,542,019.28 is: 2,127,831.11
Step by Step Solution
- Step 1: Write the proportion equation
2,765,828.84 : 3,816,564.90 = 1,542,019.28 : x - Step 2: Convert to fraction form
2,765,828.84/3,816,564.90 = 1,542,019.28/x - Step 3: Cross multiply
2,765,828.84x = 3,816,564.90 × 1,542,019.28 - Step 4: Simplify right side
2,765,828.84x = 5,885,216,659,171.27 - Step 5: Solve for x
x = 5,885,216,659,171.27/2,765,828.84 - Step 6: Final answer
x = 2,127,831.11
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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.