Finding the Fourth Proportional to 4,230,728.40, 6,346,092.60 and 4,046,437.20
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Solution
The fourth proportional to 4,230,728.40, 6,346,092.60 and 4,046,437.20 is: 6,069,655.80
Step by Step Solution
- Step 1: Write the proportion equation
4,230,728.40 : 6,346,092.60 = 4,046,437.20 : x - Step 2: Convert to fraction form
4,230,728.40/6,346,092.60 = 4,046,437.20/x - Step 3: Cross multiply
4,230,728.40x = 6,346,092.60 × 4,046,437.20 - Step 4: Simplify right side
4,230,728.40x = 25,679,065,171,284.72 - Step 5: Solve for x
x = 25,679,065,171,284.72/4,230,728.40 - Step 6: Final answer
x = 6,069,655.80
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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.