Finding the Fourth Proportional to 1,477,579.76, 2,216,495.36 and 466,431.20
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Solution
The fourth proportional to 1,477,579.76, 2,216,495.36 and 466,431.20 is: 699,686.49
Step by Step Solution
- Step 1: Write the proportion equation
1,477,579.76 : 2,216,495.36 = 466,431.20 : x - Step 2: Convert to fraction form
1,477,579.76/2,216,495.36 = 466,431.20/x - Step 3: Cross multiply
1,477,579.76x = 2,216,495.36 × 466,431.20 - Step 4: Simplify right side
1,477,579.76x = 1,033,842,590,559.23 - Step 5: Solve for x
x = 1,033,842,590,559.23/1,477,579.76 - Step 6: Final answer
x = 699,686.49
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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.