Finding the Fourth Proportional to 1,515,477.42, 2,271,677.88 and 1,294,265.06
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Solution
The fourth proportional to 1,515,477.42, 2,271,677.88 and 1,294,265.06 is: 1,940,083.88
Step by Step Solution
- Step 1: Write the proportion equation
1,515,477.42 : 2,271,677.88 = 1,294,265.06 : x - Step 2: Convert to fraction form
1,515,477.42/2,271,677.88 = 1,294,265.06/x - Step 3: Cross multiply
1,515,477.42x = 2,271,677.88 × 1,294,265.06 - Step 4: Simplify right side
1,515,477.42x = 2,940,153,307,658.87 - Step 5: Solve for x
x = 2,940,153,307,658.87/1,515,477.42 - Step 6: Final answer
x = 1,940,083.88
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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.