Finding the Fourth Proportional to 4,890,455.70, 7,335,683.55 and 1,694,519.70
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Solution
The fourth proportional to 4,890,455.70, 7,335,683.55 and 1,694,519.70 is: 2,541,779.55
Step by Step Solution
- Step 1: Write the proportion equation
4,890,455.70 : 7,335,683.55 = 1,694,519.70 : x - Step 2: Convert to fraction form
4,890,455.70/7,335,683.55 = 1,694,519.70/x - Step 3: Cross multiply
4,890,455.70x = 7,335,683.55 × 1,694,519.70 - Step 4: Simplify right side
4,890,455.70x = 12,430,460,288,440.93 - Step 5: Solve for x
x = 12,430,460,288,440.93/4,890,455.70 - Step 6: Final answer
x = 2,541,779.55
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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.