Finding the Fourth Proportional to 5,478,638.94, 8,219,079.27 and 1,883,939.04
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Solution
The fourth proportional to 5,478,638.94, 8,219,079.27 and 1,883,939.04 is: 2,826,293.99
Step by Step Solution
- Step 1: Write the proportion equation
5,478,638.94 : 8,219,079.27 = 1,883,939.04 : x - Step 2: Convert to fraction form
5,478,638.94/8,219,079.27 = 1,883,939.04/x - Step 3: Cross multiply
5,478,638.94x = 8,219,079.27 × 1,883,939.04 - Step 4: Simplify right side
5,478,638.94x = 15,484,244,309,607.70 - Step 5: Solve for x
x = 15,484,244,309,607.70/5,478,638.94 - Step 6: Final answer
x = 2,826,293.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.