Finding the Fourth Proportional to 2,009,898.60, 3,014,199.97 and 661,740.21
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Solution
The fourth proportional to 2,009,898.60, 3,014,199.97 and 661,740.21 is: 992,396.99
Step by Step Solution
- Step 1: Write the proportion equation
2,009,898.60 : 3,014,199.97 = 661,740.21 : x - Step 2: Convert to fraction form
2,009,898.60/3,014,199.97 = 661,740.21/x - Step 3: Cross multiply
2,009,898.60x = 3,014,199.97 × 661,740.21 - Step 4: Simplify right side
2,009,898.60x = 1,994,617,321,129.79 - Step 5: Solve for x
x = 1,994,617,321,129.79/2,009,898.60 - Step 6: Final answer
x = 992,396.99
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1.5x scale
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.