Finding the Fourth Proportional to 1,628,320.66, 2,247,351.55 and 903,401.84
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Solution
The fourth proportional to 1,628,320.66, 2,247,351.55 and 903,401.84 is: 1,246,843.81
Step by Step Solution
- Step 1: Write the proportion equation
1,628,320.66 : 2,247,351.55 = 903,401.84 : x - Step 2: Convert to fraction form
1,628,320.66/2,247,351.55 = 903,401.84/x - Step 3: Cross multiply
1,628,320.66x = 2,247,351.55 × 903,401.84 - Step 4: Simplify right side
1,628,320.66x = 2,030,261,528,756.73 - Step 5: Solve for x
x = 2,030,261,528,756.73/1,628,320.66 - Step 6: Final answer
x = 1,246,843.81
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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.