Finding the Fourth Proportional to 1,437,136.68, 2,156,171.58 and 689,241
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Solution
The fourth proportional to 1,437,136.68, 2,156,171.58 and 689,241 is: 1,034,085.26
Step by Step Solution
- Step 1: Write the proportion equation
1,437,136.68 : 2,156,171.58 = 689,241 : x - Step 2: Convert to fraction form
1,437,136.68/2,156,171.58 = 689,241/x - Step 3: Cross multiply
1,437,136.68x = 2,156,171.58 × 689,241 - Step 4: Simplify right side
1,437,136.68x = 1,486,121,855,970.78 - Step 5: Solve for x
x = 1,486,121,855,970.78/1,437,136.68 - Step 6: Final answer
x = 1,034,085.26
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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.