Finding the Fourth Proportional to 4,316,983.60, 6,477,289.80 and 2,320,106.80
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Solution
The fourth proportional to 4,316,983.60, 6,477,289.80 and 2,320,106.80 is: 3,481,135.33
Step by Step Solution
- Step 1: Write the proportion equation
4,316,983.60 : 6,477,289.80 = 2,320,106.80 : x - Step 2: Convert to fraction form
4,316,983.60/6,477,289.80 = 2,320,106.80/x - Step 3: Cross multiply
4,316,983.60x = 6,477,289.80 × 2,320,106.80 - Step 4: Simplify right side
4,316,983.60x = 15,028,004,110,550.64 - Step 5: Solve for x
x = 15,028,004,110,550.64/4,316,983.60 - Step 6: Final answer
x = 3,481,135.33
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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.