Finding the Fourth Proportional to 1,604,065.28, 2,405,378.64 and 955,947.53
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Solution
The fourth proportional to 1,604,065.28, 2,405,378.64 and 955,947.53 is: 1,433,492.65
Step by Step Solution
- Step 1: Write the proportion equation
1,604,065.28 : 2,405,378.64 = 955,947.53 : x - Step 2: Convert to fraction form
1,604,065.28/2,405,378.64 = 955,947.53/x - Step 3: Cross multiply
1,604,065.28x = 2,405,378.64 × 955,947.53 - Step 4: Simplify right side
1,604,065.28x = 2,299,415,775,636.21 - Step 5: Solve for x
x = 2,299,415,775,636.21/1,604,065.28 - Step 6: Final answer
x = 1,433,492.65
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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.