Finding the Fourth Proportional to 4,154,652.80, 6,231,979.20 and 1,314,987.20
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Solution
The fourth proportional to 4,154,652.80, 6,231,979.20 and 1,314,987.20 is: 1,972,480.80
Step by Step Solution
- Step 1: Write the proportion equation
4,154,652.80 : 6,231,979.20 = 1,314,987.20 : x - Step 2: Convert to fraction form
4,154,652.80/6,231,979.20 = 1,314,987.20/x - Step 3: Cross multiply
4,154,652.80x = 6,231,979.20 × 1,314,987.20 - Step 4: Simplify right side
4,154,652.80x = 8,194,972,878,666.24 - Step 5: Solve for x
x = 8,194,972,878,666.24/4,154,652.80 - Step 6: Final answer
x = 1,972,480.80
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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.