Finding the Fourth Proportional to 3,221,081.54, 4,445,177.45 and 1,770,813.53
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Solution
The fourth proportional to 3,221,081.54, 4,445,177.45 and 1,770,813.53 is: 2,443,769.35
Step by Step Solution
- Step 1: Write the proportion equation
3,221,081.54 : 4,445,177.45 = 1,770,813.53 : x - Step 2: Convert to fraction form
3,221,081.54/4,445,177.45 = 1,770,813.53/x - Step 3: Cross multiply
3,221,081.54x = 4,445,177.45 × 1,770,813.53 - Step 4: Simplify right side
3,221,081.54x = 7,871,580,340,630.94 - Step 5: Solve for x
x = 7,871,580,340,630.94/3,221,081.54 - Step 6: Final answer
x = 2,443,769.35
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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.