Finding the Fourth Proportional to 2,209,471.80, 3,048,716.79 and 1,242,599.10
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Solution
The fourth proportional to 2,209,471.80, 3,048,716.79 and 1,242,599.10 is: 1,714,587.50
Step by Step Solution
- Step 1: Write the proportion equation
2,209,471.80 : 3,048,716.79 = 1,242,599.10 : x - Step 2: Convert to fraction form
2,209,471.80/3,048,716.79 = 1,242,599.10/x - Step 3: Cross multiply
2,209,471.80x = 3,048,716.79 × 1,242,599.10 - Step 4: Simplify right side
2,209,471.80x = 3,788,332,739,408.89 - Step 5: Solve for x
x = 3,788,332,739,408.89/2,209,471.80 - Step 6: Final answer
x = 1,714,587.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.