Finding the Fourth Proportional to 4,776,372.21, 7,157,929.87 and 2,176,322.80
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Solution
The fourth proportional to 4,776,372.21, 7,157,929.87 and 2,176,322.80 is: 3,261,463.98
Step by Step Solution
- Step 1: Write the proportion equation
4,776,372.21 : 7,157,929.87 = 2,176,322.80 : x - Step 2: Convert to fraction form
4,776,372.21/7,157,929.87 = 2,176,322.80/x - Step 3: Cross multiply
4,776,372.21x = 7,157,929.87 × 2,176,322.80 - Step 4: Simplify right side
4,776,372.21x = 15,577,965,930,210.77 - Step 5: Solve for x
x = 15,577,965,930,210.77/4,776,372.21 - Step 6: Final answer
x = 3,261,463.98
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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.