Finding the Fourth Proportional to 2,661,242.61, 3,991,806.65 and 742,102.74
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Solution
The fourth proportional to 2,661,242.61, 3,991,806.65 and 742,102.74 is: 1,113,138.14
Step by Step Solution
- Step 1: Write the proportion equation
2,661,242.61 : 3,991,806.65 = 742,102.74 : x - Step 2: Convert to fraction form
2,661,242.61/3,991,806.65 = 742,102.74/x - Step 3: Cross multiply
2,661,242.61x = 3,991,806.65 × 742,102.74 - Step 4: Simplify right side
2,661,242.61x = 2,962,330,648,804.71 - Step 5: Solve for x
x = 2,962,330,648,804.71/2,661,242.61 - Step 6: Final answer
x = 1,113,138.14
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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.