Finding the Fourth Proportional to 6,953,424.40, 10,430,136.60 and 2,465,117.20
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Solution
The fourth proportional to 6,953,424.40, 10,430,136.60 and 2,465,117.20 is: 3,697,675.80
Step by Step Solution
- Step 1: Write the proportion equation
6,953,424.40 : 10,430,136.60 = 2,465,117.20 : x - Step 2: Convert to fraction form
6,953,424.40/10,430,136.60 = 2,465,117.20/x - Step 3: Cross multiply
6,953,424.40x = 10,430,136.60 × 2,465,117.20 - Step 4: Simplify right side
6,953,424.40x = 25,711,509,131,009.52 - Step 5: Solve for x
x = 25,711,509,131,009.52/6,953,424.40 - Step 6: Final answer
x = 3,697,675.80
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Double scale
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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.