Finding the Fourth Proportional to 4,248,001.20, 6,361,504.20 and 2,820,327.60
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Solution
The fourth proportional to 4,248,001.20, 6,361,504.20 and 2,820,327.60 is: 4,223,521.85
Step by Step Solution
- Step 1: Write the proportion equation
4,248,001.20 : 6,361,504.20 = 2,820,327.60 : x - Step 2: Convert to fraction form
4,248,001.20/6,361,504.20 = 2,820,327.60/x - Step 3: Cross multiply
4,248,001.20x = 6,361,504.20 × 2,820,327.60 - Step 4: Simplify right side
4,248,001.20x = 17,941,525,872,775.92 - Step 5: Solve for x
x = 17,941,525,872,775.92/4,248,001.20 - Step 6: Final answer
x = 4,223,521.85
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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.