Finding the Fourth Proportional to 1,368,944.51, 2,053,393.47 and 409,402.31
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Solution
The fourth proportional to 1,368,944.51, 2,053,393.47 and 409,402.31 is: 614,096.50
Step by Step Solution
- Step 1: Write the proportion equation
1,368,944.51 : 2,053,393.47 = 409,402.31 : x - Step 2: Convert to fraction form
1,368,944.51/2,053,393.47 = 409,402.31/x - Step 3: Cross multiply
1,368,944.51x = 2,053,393.47 × 409,402.31 - Step 4: Simplify right side
1,368,944.51x = 840,664,029,956.92 - Step 5: Solve for x
x = 840,664,029,956.92/1,368,944.51 - Step 6: Final answer
x = 614,096.50
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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.