Finding the Fourth Proportional to 4,850,215.20, 7,275,322.80 and 1,654,279.20
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Solution
The fourth proportional to 4,850,215.20, 7,275,322.80 and 1,654,279.20 is: 2,481,418.80
Step by Step Solution
- Step 1: Write the proportion equation
4,850,215.20 : 7,275,322.80 = 1,654,279.20 : x - Step 2: Convert to fraction form
4,850,215.20/7,275,322.80 = 1,654,279.20/x - Step 3: Cross multiply
4,850,215.20x = 7,275,322.80 × 1,654,279.20 - Step 4: Simplify right side
4,850,215.20x = 12,035,415,181,325.76 - Step 5: Solve for x
x = 12,035,415,181,325.76/4,850,215.20 - Step 6: Final answer
x = 2,481,418.80
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1.5x scale
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.