Finding the Fourth Proportional to 3,119,943.92, 4,301,359.08 and 2,477,490.80
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Solution
The fourth proportional to 3,119,943.92, 4,301,359.08 and 2,477,490.80 is: 3,415,631.12
Step by Step Solution
- Step 1: Write the proportion equation
3,119,943.92 : 4,301,359.08 = 2,477,490.80 : x - Step 2: Convert to fraction form
3,119,943.92/4,301,359.08 = 2,477,490.80/x - Step 3: Cross multiply
3,119,943.92x = 4,301,359.08 × 2,477,490.80 - Step 4: Simplify right side
3,119,943.92x = 10,656,577,548,196.46 - Step 5: Solve for x
x = 10,656,577,548,196.46/3,119,943.92 - Step 6: Final answer
x = 3,415,631.12
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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.