Finding the Fourth Proportional to 4,268,357.40, 6,400,347.30 and 1,276,152.60
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Solution
The fourth proportional to 4,268,357.40, 6,400,347.30 and 1,276,152.60 is: 1,913,574.49
Step by Step Solution
- Step 1: Write the proportion equation
4,268,357.40 : 6,400,347.30 = 1,276,152.60 : x - Step 2: Convert to fraction form
4,268,357.40/6,400,347.30 = 1,276,152.60/x - Step 3: Cross multiply
4,268,357.40x = 6,400,347.30 × 1,276,152.60 - Step 4: Simplify right side
4,268,357.40x = 8,167,819,847,797.98 - Step 5: Solve for x
x = 8,167,819,847,797.98/4,268,357.40 - Step 6: Final answer
x = 1,913,574.49
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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.