Finding the Fourth Proportional to 2,048,665.60, 3,075,331.20 and 1,207,691.20
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Solution
The fourth proportional to 2,048,665.60, 3,075,331.20 and 1,207,691.20 is: 1,812,911.99
Step by Step Solution
- Step 1: Write the proportion equation
2,048,665.60 : 3,075,331.20 = 1,207,691.20 : x - Step 2: Convert to fraction form
2,048,665.60/3,075,331.20 = 1,207,691.20/x - Step 3: Cross multiply
2,048,665.60x = 3,075,331.20 × 1,207,691.20 - Step 4: Simplify right side
2,048,665.60x = 3,714,050,427,325.44 - Step 5: Solve for x
x = 3,714,050,427,325.44/2,048,665.60 - Step 6: Final answer
x = 1,812,911.99
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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.