Finding the Fourth Proportional to 4,220,905.47, 5,822,603.17 and 2,567,558.06
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Solution
The fourth proportional to 4,220,905.47, 5,822,603.17 and 2,567,558.06 is: 3,541,863.66
Step by Step Solution
- Step 1: Write the proportion equation
4,220,905.47 : 5,822,603.17 = 2,567,558.06 : x - Step 2: Convert to fraction form
4,220,905.47/5,822,603.17 = 2,567,558.06/x - Step 3: Cross multiply
4,220,905.47x = 5,822,603.17 × 2,567,558.06 - Step 4: Simplify right side
4,220,905.47x = 14,949,871,699,315.05 - Step 5: Solve for x
x = 14,949,871,699,315.05/4,220,905.47 - Step 6: Final answer
x = 3,541,863.66
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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.