Finding the Fourth Proportional to 4,163,875.60, 6,245,813.40 and 1,324,274.80
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Solution
The fourth proportional to 4,163,875.60, 6,245,813.40 and 1,324,274.80 is: 1,986,412.20
Step by Step Solution
- Step 1: Write the proportion equation
4,163,875.60 : 6,245,813.40 = 1,324,274.80 : x - Step 2: Convert to fraction form
4,163,875.60/6,245,813.40 = 1,324,274.80/x - Step 3: Cross multiply
4,163,875.60x = 6,245,813.40 × 1,324,274.80 - Step 4: Simplify right side
4,163,875.60x = 8,271,173,291,122.32 - Step 5: Solve for x
x = 8,271,173,291,122.32/4,163,875.60 - Step 6: Final answer
x = 1,986,412.20
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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.