Finding the Fourth Proportional to 2,661,220.93, 3,991,774.08 and 742,081.00
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Solution
The fourth proportional to 2,661,220.93, 3,991,774.08 and 742,081.00 is: 1,113,105.51
Step by Step Solution
- Step 1: Write the proportion equation
2,661,220.93 : 3,991,774.08 = 742,081.00 : x - Step 2: Convert to fraction form
2,661,220.93/3,991,774.08 = 742,081.00/x - Step 3: Cross multiply
2,661,220.93x = 3,991,774.08 × 742,081.00 - Step 4: Simplify right side
2,661,220.93x = 2,962,219,677,391.20 - Step 5: Solve for x
x = 2,962,219,677,391.20/2,661,220.93 - Step 6: Final answer
x = 1,113,105.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.