Finding the Fourth Proportional to 2,163,692.28, 2,988,949.50 and 1,969,776.12
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Solution
The fourth proportional to 2,163,692.28, 2,988,949.50 and 1,969,776.12 is: 2,721,071.48
Step by Step Solution
- Step 1: Write the proportion equation
2,163,692.28 : 2,988,949.50 = 1,969,776.12 : x - Step 2: Convert to fraction form
2,163,692.28/2,988,949.50 = 1,969,776.12/x - Step 3: Cross multiply
2,163,692.28x = 2,988,949.50 × 1,969,776.12 - Step 4: Simplify right side
2,163,692.28x = 5,887,561,348,985.94 - Step 5: Solve for x
x = 5,887,561,348,985.94/2,163,692.28 - Step 6: Final answer
x = 2,721,071.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.