Finding the Fourth Proportional to 4,896,478.40, 6,756,033.12 and 2,962,690.88
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Solution
The fourth proportional to 4,896,478.40, 6,756,033.12 and 2,962,690.88 is: 4,087,843.56
Step by Step Solution
- Step 1: Write the proportion equation
4,896,478.40 : 6,756,033.12 = 2,962,690.88 : x - Step 2: Convert to fraction form
4,896,478.40/6,756,033.12 = 2,962,690.88/x - Step 3: Cross multiply
4,896,478.40x = 6,756,033.12 × 2,962,690.88 - Step 4: Simplify right side
4,896,478.40x = 20,016,037,709,601.95 - Step 5: Solve for x
x = 20,016,037,709,601.95/4,896,478.40 - Step 6: Final answer
x = 4,087,843.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.