Finding the Fourth Proportional to 1,872,700.48, 2,584,338.69 and 1,098,173.62
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Solution
The fourth proportional to 1,872,700.48, 2,584,338.69 and 1,098,173.62 is: 1,515,486.65
Step by Step Solution
- Step 1: Write the proportion equation
1,872,700.48 : 2,584,338.69 = 1,098,173.62 : x - Step 2: Convert to fraction form
1,872,700.48/2,584,338.69 = 1,098,173.62/x - Step 3: Cross multiply
1,872,700.48x = 2,584,338.69 × 1,098,173.62 - Step 4: Simplify right side
1,872,700.48x = 2,838,052,574,503.36 - Step 5: Solve for x
x = 2,838,052,574,503.36/1,872,700.48 - Step 6: Final answer
x = 1,515,486.65
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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.