Finding the Fourth Proportional to 1,393,747.53, 2,090,178.41 and 947,337.09
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Solution
The fourth proportional to 1,393,747.53, 2,090,178.41 and 947,337.09 is: 1,420,704.60
Step by Step Solution
- Step 1: Write the proportion equation
1,393,747.53 : 2,090,178.41 = 947,337.09 : x - Step 2: Convert to fraction form
1,393,747.53/2,090,178.41 = 947,337.09/x - Step 3: Cross multiply
1,393,747.53x = 2,090,178.41 × 947,337.09 - Step 4: Simplify right side
1,393,747.53x = 1,980,103,519,935.37 - Step 5: Solve for x
x = 1,980,103,519,935.37/1,393,747.53 - Step 6: Final answer
x = 1,420,704.60
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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.