Finding the Fourth Proportional to 4,893,690.48, 7,340,609.55 and 1,698,918.18
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Solution
The fourth proportional to 4,893,690.48, 7,340,609.55 and 1,698,918.18 is: 2,548,402.90
Step by Step Solution
- Step 1: Write the proportion equation
4,893,690.48 : 7,340,609.55 = 1,698,918.18 : x - Step 2: Convert to fraction form
4,893,690.48/7,340,609.55 = 1,698,918.18/x - Step 3: Cross multiply
4,893,690.48x = 7,340,609.55 × 1,698,918.18 - Step 4: Simplify right side
4,893,690.48x = 12,471,095,016,776.62 - Step 5: Solve for x
x = 12,471,095,016,776.62/4,893,690.48 - Step 6: Final answer
x = 2,548,402.90
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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.