Finding the Fourth Proportional to 1,617,266.20, 2,425,899.30 and 1,435,307.80
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Solution
The fourth proportional to 1,617,266.20, 2,425,899.30 and 1,435,307.80 is: 2,152,961.70
Step by Step Solution
- Step 1: Write the proportion equation
1,617,266.20 : 2,425,899.30 = 1,435,307.80 : x - Step 2: Convert to fraction form
1,617,266.20/2,425,899.30 = 1,435,307.80/x - Step 3: Cross multiply
1,617,266.20x = 2,425,899.30 × 1,435,307.80 - Step 4: Simplify right side
1,617,266.20x = 3,481,912,187,304.54 - Step 5: Solve for x
x = 3,481,912,187,304.54/1,617,266.20 - Step 6: Final answer
x = 2,152,961.70
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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.