Finding the Fourth Proportional to 2,168,331.48, 2,992,294.48 and 1,201,524.36
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Solution
The fourth proportional to 2,168,331.48, 2,992,294.48 and 1,201,524.36 is: 1,658,101.98
Step by Step Solution
- Step 1: Write the proportion equation
2,168,331.48 : 2,992,294.48 = 1,201,524.36 : x - Step 2: Convert to fraction form
2,168,331.48/2,992,294.48 = 1,201,524.36/x - Step 3: Cross multiply
2,168,331.48x = 2,992,294.48 × 1,201,524.36 - Step 4: Simplify right side
2,168,331.48x = 3,595,314,710,013.53 - Step 5: Solve for x
x = 3,595,314,710,013.53/2,168,331.48 - Step 6: Final answer
x = 1,658,101.98
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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.