Finding the Fourth Proportional to 1,540,029.14, 2,309,867.21 and 402,901.07
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Solution
The fourth proportional to 1,540,029.14, 2,309,867.21 and 402,901.07 is: 604,305.42
Step by Step Solution
- Step 1: Write the proportion equation
1,540,029.14 : 2,309,867.21 = 402,901.07 : x - Step 2: Convert to fraction form
1,540,029.14/2,309,867.21 = 402,901.07/x - Step 3: Cross multiply
1,540,029.14x = 2,309,867.21 × 402,901.07 - Step 4: Simplify right side
1,540,029.14x = 930,647,956,903.07 - Step 5: Solve for x
x = 930,647,956,903.07/1,540,029.14 - Step 6: Final answer
x = 604,305.42
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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.