Finding the Fourth Proportional to 6,866,426.20, 10,299,639.30 and 2,073,615.70
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Solution
The fourth proportional to 6,866,426.20, 10,299,639.30 and 2,073,615.70 is: 3,110,423.55
Step by Step Solution
- Step 1: Write the proportion equation
6,866,426.20 : 10,299,639.30 = 2,073,615.70 : x - Step 2: Convert to fraction form
6,866,426.20/10,299,639.30 = 2,073,615.70/x - Step 3: Cross multiply
6,866,426.20x = 10,299,639.30 × 2,073,615.70 - Step 4: Simplify right side
6,866,426.20x = 21,357,493,756,817.01 - Step 5: Solve for x
x = 21,357,493,756,817.01/6,866,426.20 - Step 6: Final answer
x = 3,110,423.55
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Similar ratio
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1.5x scale
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.