Finding the Fourth Proportional to 2,102,807.40, 3,154,211.10 and 682,909.80
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Solution
The fourth proportional to 2,102,807.40, 3,154,211.10 and 682,909.80 is: 1,024,364.70
Step by Step Solution
- Step 1: Write the proportion equation
2,102,807.40 : 3,154,211.10 = 682,909.80 : x - Step 2: Convert to fraction form
2,102,807.40/3,154,211.10 = 682,909.80/x - Step 3: Cross multiply
2,102,807.40x = 3,154,211.10 × 682,909.80 - Step 4: Simplify right side
2,102,807.40x = 2,154,041,671,458.78 - Step 5: Solve for x
x = 2,154,041,671,458.78/2,102,807.40 - Step 6: Final answer
x = 1,024,364.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.