Finding the Fourth Proportional to 2,909,636.11, 4,015,297.92 and 1,620,476.41
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Solution
The fourth proportional to 2,909,636.11, 4,015,297.92 and 1,620,476.41 is: 2,236,257.49
Step by Step Solution
- Step 1: Write the proportion equation
2,909,636.11 : 4,015,297.92 = 1,620,476.41 : x - Step 2: Convert to fraction form
2,909,636.11/4,015,297.92 = 1,620,476.41/x - Step 3: Cross multiply
2,909,636.11x = 4,015,297.92 × 1,620,476.41 - Step 4: Simplify right side
2,909,636.11x = 6,506,695,558,482.07 - Step 5: Solve for x
x = 6,506,695,558,482.07/2,909,636.11 - Step 6: Final answer
x = 2,236,257.49
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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.