Finding the Fourth Proportional to 1,953,205.48, 2,926,265.22 and 1,442,136.28
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Solution
The fourth proportional to 1,953,205.48, 2,926,265.22 and 1,442,136.28 is: 2,160,588.47
Step by Step Solution
- Step 1: Write the proportion equation
1,953,205.48 : 2,926,265.22 = 1,442,136.28 : x - Step 2: Convert to fraction form
1,953,205.48/2,926,265.22 = 1,442,136.28/x - Step 3: Cross multiply
1,953,205.48x = 2,926,265.22 × 1,442,136.28 - Step 4: Simplify right side
1,953,205.48x = 4,220,073,238,664.18 - Step 5: Solve for x
x = 4,220,073,238,664.18/1,953,205.48 - Step 6: Final answer
x = 2,160,588.47
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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.