Finding the Fourth Proportional to 1,866,513.80, 2,797,466.70 and 1,267,473.80
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Solution
The fourth proportional to 1,866,513.80, 2,797,466.70 and 1,267,473.80 is: 1,899,646.15
Step by Step Solution
- Step 1: Write the proportion equation
1,866,513.80 : 2,797,466.70 = 1,267,473.80 : x - Step 2: Convert to fraction form
1,866,513.80/2,797,466.70 = 1,267,473.80/x - Step 3: Cross multiply
1,866,513.80x = 2,797,466.70 × 1,267,473.80 - Step 4: Simplify right side
1,866,513.80x = 3,545,715,748,622.46 - Step 5: Solve for x
x = 3,545,715,748,622.46/1,866,513.80 - Step 6: Final answer
x = 1,899,646.15
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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.