Finding the Fourth Proportional to 4,214,304.45, 5,815,740.14 and 2,280,565.03
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Solution
The fourth proportional to 4,214,304.45, 5,815,740.14 and 2,280,565.03 is: 3,147,179.74
Step by Step Solution
- Step 1: Write the proportion equation
4,214,304.45 : 5,815,740.14 = 2,280,565.03 : x - Step 2: Convert to fraction form
4,214,304.45/5,815,740.14 = 2,280,565.03/x - Step 3: Cross multiply
4,214,304.45x = 5,815,740.14 × 2,280,565.03 - Step 4: Simplify right side
4,214,304.45x = 13,263,173,578,013.37 - Step 5: Solve for x
x = 13,263,173,578,013.37/4,214,304.45 - Step 6: Final answer
x = 3,147,179.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.