Finding the Fourth Proportional to 1,548,829.97, 2,136,200.87 and 1,357,511.21
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Solution
The fourth proportional to 1,548,829.97, 2,136,200.87 and 1,357,511.21 is: 1,872,327.30
Step by Step Solution
- Step 1: Write the proportion equation
1,548,829.97 : 2,136,200.87 = 1,357,511.21 : x - Step 2: Convert to fraction form
1,548,829.97/2,136,200.87 = 1,357,511.21/x - Step 3: Cross multiply
1,548,829.97x = 2,136,200.87 × 1,357,511.21 - Step 4: Simplify right side
1,548,829.97x = 2,899,916,620,549.53 - Step 5: Solve for x
x = 2,899,916,620,549.53/1,548,829.97 - Step 6: Final answer
x = 1,872,327.30
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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.