Finding the Fourth Proportional to 5,437,656.80, 8,156,456.40 and 1,394,136.80
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Solution
The fourth proportional to 5,437,656.80, 8,156,456.40 and 1,394,136.80 is: 2,091,197.82
Step by Step Solution
- Step 1: Write the proportion equation
5,437,656.80 : 8,156,456.40 = 1,394,136.80 : x - Step 2: Convert to fraction form
5,437,656.80/8,156,456.40 = 1,394,136.80/x - Step 3: Cross multiply
5,437,656.80x = 8,156,456.40 × 1,394,136.80 - Step 4: Simplify right side
5,437,656.80x = 11,371,216,024,835.52 - Step 5: Solve for x
x = 11,371,216,024,835.52/5,437,656.80 - Step 6: Final answer
x = 2,091,197.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.