Finding the Fourth Proportional to 7,102,701.90, 10,641,805.65 and 3,308,402.70
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Solution
The fourth proportional to 7,102,701.90, 10,641,805.65 and 3,308,402.70 is: 4,956,899.37
Step by Step Solution
- Step 1: Write the proportion equation
7,102,701.90 : 10,641,805.65 = 3,308,402.70 : x - Step 2: Convert to fraction form
7,102,701.90/10,641,805.65 = 3,308,402.70/x - Step 3: Cross multiply
7,102,701.90x = 10,641,805.65 × 3,308,402.70 - Step 4: Simplify right side
7,102,701.90x = 35,207,378,545,335.26 - Step 5: Solve for x
x = 35,207,378,545,335.26/7,102,701.90 - Step 6: Final answer
x = 4,956,899.37
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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.