Finding the Fourth Proportional to 4,373,749.19, 6,559,876.06 and 1,178,128.01
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Solution
The fourth proportional to 4,373,749.19, 6,559,876.06 and 1,178,128.01 is: 1,766,990.61
Step by Step Solution
- Step 1: Write the proportion equation
4,373,749.19 : 6,559,876.06 = 1,178,128.01 : x - Step 2: Convert to fraction form
4,373,749.19/6,559,876.06 = 1,178,128.01/x - Step 3: Cross multiply
4,373,749.19x = 6,559,876.06 × 1,178,128.01 - Step 4: Simplify right side
4,373,749.19x = 7,728,373,741,868.81 - Step 5: Solve for x
x = 7,728,373,741,868.81/4,373,749.19 - Step 6: Final answer
x = 1,766,990.61
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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.