Finding the Fourth Proportional to 2,542,136.72, 3,507,295.14 and 1,439,417.70
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Solution
The fourth proportional to 2,542,136.72, 3,507,295.14 and 1,439,417.70 is: 1,985,913.14
Step by Step Solution
- Step 1: Write the proportion equation
2,542,136.72 : 3,507,295.14 = 1,439,417.70 : x - Step 2: Convert to fraction form
2,542,136.72/3,507,295.14 = 1,439,417.70/x - Step 3: Cross multiply
2,542,136.72x = 3,507,295.14 × 1,439,417.70 - Step 4: Simplify right side
2,542,136.72x = 5,048,462,703,639.98 - Step 5: Solve for x
x = 5,048,462,703,639.98/2,542,136.72 - Step 6: Final answer
x = 1,985,913.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.