Finding the Fourth Proportional to 1,636,982.80, 2,455,474.20 and 1,377,167.20
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Solution
The fourth proportional to 1,636,982.80, 2,455,474.20 and 1,377,167.20 is: 2,065,750.80
Step by Step Solution
- Step 1: Write the proportion equation
1,636,982.80 : 2,455,474.20 = 1,377,167.20 : x - Step 2: Convert to fraction form
1,636,982.80/2,455,474.20 = 1,377,167.20/x - Step 3: Cross multiply
1,636,982.80x = 2,455,474.20 × 1,377,167.20 - Step 4: Simplify right side
1,636,982.80x = 3,381,598,528,686.24 - Step 5: Solve for x
x = 3,381,598,528,686.24/1,636,982.80 - Step 6: Final answer
x = 2,065,750.80
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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.