Finding the Fourth Proportional to 2,412,823.08, 3,329,962.02 and 1,380,426.60
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Solution
The fourth proportional to 2,412,823.08, 3,329,962.02 and 1,380,426.60 is: 1,905,140.99
Step by Step Solution
- Step 1: Write the proportion equation
2,412,823.08 : 3,329,962.02 = 1,380,426.60 : x - Step 2: Convert to fraction form
2,412,823.08/3,329,962.02 = 1,380,426.60/x - Step 3: Cross multiply
2,412,823.08x = 3,329,962.02 × 1,380,426.60 - Step 4: Simplify right side
2,412,823.08x = 4,596,768,149,397.73 - Step 5: Solve for x
x = 4,596,768,149,397.73/2,412,823.08 - Step 6: Final answer
x = 1,905,140.99
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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.