Finding the Fourth Proportional to 3,710,893.80, 5,566,340.70 and 1,821,325.80
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Solution
The fourth proportional to 3,710,893.80, 5,566,340.70 and 1,821,325.80 is: 2,731,988.70
Step by Step Solution
- Step 1: Write the proportion equation
3,710,893.80 : 5,566,340.70 = 1,821,325.80 : x - Step 2: Convert to fraction form
3,710,893.80/5,566,340.70 = 1,821,325.80/x - Step 3: Cross multiply
3,710,893.80x = 5,566,340.70 × 1,821,325.80 - Step 4: Simplify right side
3,710,893.80x = 10,138,119,928,500.06 - Step 5: Solve for x
x = 10,138,119,928,500.06/3,710,893.80 - Step 6: Final answer
x = 2,731,988.70
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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.