Finding the Fourth Proportional to 2,346,477.12, 3,238,138.08 and 1,273,389.12
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Solution
The fourth proportional to 2,346,477.12, 3,238,138.08 and 1,273,389.12 is: 1,757,276.80
Step by Step Solution
- Step 1: Write the proportion equation
2,346,477.12 : 3,238,138.08 = 1,273,389.12 : x - Step 2: Convert to fraction form
2,346,477.12/3,238,138.08 = 1,273,389.12/x - Step 3: Cross multiply
2,346,477.12x = 3,238,138.08 × 1,273,389.12 - Step 4: Simplify right side
2,346,477.12x = 4,123,409,800,129.69 - Step 5: Solve for x
x = 4,123,409,800,129.69/2,346,477.12 - Step 6: Final answer
x = 1,757,276.80
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1.5x scale
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.