Finding the Fourth Proportional to 1,985,028.66, 2,977,685.28 and 831,114
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Solution
The fourth proportional to 1,985,028.66, 2,977,685.28 and 831,114 is: 1,246,730.58
Step by Step Solution
- Step 1: Write the proportion equation
1,985,028.66 : 2,977,685.28 = 831,114 : x - Step 2: Convert to fraction form
1,985,028.66/2,977,685.28 = 831,114/x - Step 3: Cross multiply
1,985,028.66x = 2,977,685.28 × 831,114 - Step 4: Simplify right side
1,985,028.66x = 2,474,795,923,801.92 - Step 5: Solve for x
x = 2,474,795,923,801.92/1,985,028.66 - Step 6: Final answer
x = 1,246,730.58
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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.