Finding the Fourth Proportional to 2,833,280.13, 4,251,172.25 and 1,485,120.38
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Solution
The fourth proportional to 2,833,280.13, 4,251,172.25 and 1,485,120.38 is: 2,228,336.85
Step by Step Solution
- Step 1: Write the proportion equation
2,833,280.13 : 4,251,172.25 = 1,485,120.38 : x - Step 2: Convert to fraction form
2,833,280.13/4,251,172.25 = 1,485,120.38/x - Step 3: Cross multiply
2,833,280.13x = 4,251,172.25 × 1,485,120.38 - Step 4: Simplify right side
2,833,280.13x = 6,313,502,518,683.99 - Step 5: Solve for x
x = 6,313,502,518,683.99/2,833,280.13 - Step 6: Final answer
x = 2,228,336.85
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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.