Finding the Fourth Proportional to 1,768,461.30, 2,438,545.50 and 1,194,505.02
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Solution
The fourth proportional to 1,768,461.30, 2,438,545.50 and 1,194,505.02 is: 1,647,112.57
Step by Step Solution
- Step 1: Write the proportion equation
1,768,461.30 : 2,438,545.50 = 1,194,505.02 : x - Step 2: Convert to fraction form
1,768,461.30/2,438,545.50 = 1,194,505.02/x - Step 3: Cross multiply
1,768,461.30x = 2,438,545.50 × 1,194,505.02 - Step 4: Simplify right side
1,768,461.30x = 2,912,854,841,248.41 - Step 5: Solve for x
x = 2,912,854,841,248.41/1,768,461.30 - Step 6: Final answer
x = 1,647,112.57
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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.