Finding the Fourth Proportional to 2,905,763.99, 4,009,954.25 and 1,616,604.03
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Solution
The fourth proportional to 2,905,763.99, 4,009,954.25 and 1,616,604.03 is: 2,230,913.53
Step by Step Solution
- Step 1: Write the proportion equation
2,905,763.99 : 4,009,954.25 = 1,616,604.03 : x - Step 2: Convert to fraction form
2,905,763.99/4,009,954.25 = 1,616,604.03/x - Step 3: Cross multiply
2,905,763.99x = 4,009,954.25 × 1,616,604.03 - Step 4: Simplify right side
2,905,763.99x = 6,482,508,192,582.61 - Step 5: Solve for x
x = 6,482,508,192,582.61/2,905,763.99 - Step 6: Final answer
x = 2,230,913.53
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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.