Finding the Fourth Proportional to 1,353,113.76, 2,029,515.12 and 355,919.52
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Solution
The fourth proportional to 1,353,113.76, 2,029,515.12 and 355,919.52 is: 533,838.37
Step by Step Solution
- Step 1: Write the proportion equation
1,353,113.76 : 2,029,515.12 = 355,919.52 : x - Step 2: Convert to fraction form
1,353,113.76/2,029,515.12 = 355,919.52/x - Step 3: Cross multiply
1,353,113.76x = 2,029,515.12 × 355,919.52 - Step 4: Simplify right side
1,353,113.76x = 722,344,047,343.14 - Step 5: Solve for x
x = 722,344,047,343.14/1,353,113.76 - Step 6: Final answer
x = 533,838.37
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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.