Finding the Fourth Proportional to 4,256,729.40, 6,386,937.30 and 2,011,711.80
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Solution
The fourth proportional to 4,256,729.40, 6,386,937.30 and 2,011,711.80 is: 3,018,438.79
Step by Step Solution
- Step 1: Write the proportion equation
4,256,729.40 : 6,386,937.30 = 2,011,711.80 : x - Step 2: Convert to fraction form
4,256,729.40/6,386,937.30 = 2,011,711.80/x - Step 3: Cross multiply
4,256,729.40x = 6,386,937.30 × 2,011,711.80 - Step 4: Simplify right side
4,256,729.40x = 12,848,677,132,270.14 - Step 5: Solve for x
x = 12,848,677,132,270.14/4,256,729.40 - Step 6: Final answer
x = 3,018,438.79
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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.