Finding the Fourth Proportional to 1,686,294, 2,529,254.70 and 424,122.12
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Solution
The fourth proportional to 1,686,294, 2,529,254.70 and 424,122.12 is: 636,136.32
Step by Step Solution
- Step 1: Write the proportion equation
1,686,294 : 2,529,254.70 = 424,122.12 : x - Step 2: Convert to fraction form
1,686,294/2,529,254.70 = 424,122.12/x - Step 3: Cross multiply
1,686,294x = 2,529,254.70 × 424,122.12 - Step 4: Simplify right side
1,686,294x = 1,072,712,865,383.96 - Step 5: Solve for x
x = 1,072,712,865,383.96/1,686,294 - Step 6: Final answer
x = 636,136.32
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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.