Finding the Fourth Proportional to 2,869,484.08, 3,960,318.54 and 2,180,021.39
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Solution
The fourth proportional to 2,869,484.08, 3,960,318.54 and 2,180,021.39 is: 3,008,756.59
Step by Step Solution
- Step 1: Write the proportion equation
2,869,484.08 : 3,960,318.54 = 2,180,021.39 : x - Step 2: Convert to fraction form
2,869,484.08/3,960,318.54 = 2,180,021.39/x - Step 3: Cross multiply
2,869,484.08x = 3,960,318.54 × 2,180,021.39 - Step 4: Simplify right side
2,869,484.08x = 8,633,579,128,413.57 - Step 5: Solve for x
x = 8,633,579,128,413.57/2,869,484.08 - Step 6: Final answer
x = 3,008,756.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.