Finding the Fourth Proportional to 2,388,120.80, 3,578,448.68 and 1,377,862.88
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Solution
The fourth proportional to 2,388,120.80, 3,578,448.68 and 1,377,862.88 is: 2,064,640.79
Step by Step Solution
- Step 1: Write the proportion equation
2,388,120.80 : 3,578,448.68 = 1,377,862.88 : x - Step 2: Convert to fraction form
2,388,120.80/3,578,448.68 = 1,377,862.88/x - Step 3: Cross multiply
2,388,120.80x = 3,578,448.68 × 1,377,862.88 - Step 4: Simplify right side
2,388,120.80x = 4,930,611,604,157.00 - Step 5: Solve for x
x = 4,930,611,604,157.00/2,388,120.80 - Step 6: Final answer
x = 2,064,640.79
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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.