Finding the Fourth Proportional to 4,312,052.40, 6,465,745.80 and 1,787,962.80
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Solution
The fourth proportional to 4,312,052.40, 6,465,745.80 and 1,787,962.80 is: 2,680,976.92
Step by Step Solution
- Step 1: Write the proportion equation
4,312,052.40 : 6,465,745.80 = 1,787,962.80 : x - Step 2: Convert to fraction form
4,312,052.40/6,465,745.80 = 1,787,962.80/x - Step 3: Cross multiply
4,312,052.40x = 6,465,745.80 × 1,787,962.80 - Step 4: Simplify right side
4,312,052.40x = 11,560,512,964,656.24 - Step 5: Solve for x
x = 11,560,512,964,656.24/4,312,052.40 - Step 6: Final answer
x = 2,680,976.92
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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.