Finding the Fourth Proportional to 4,525,032.60, 6,787,548.90 and 1,330,481.70
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Solution
The fourth proportional to 4,525,032.60, 6,787,548.90 and 1,330,481.70 is: 1,995,722.55
Step by Step Solution
- Step 1: Write the proportion equation
4,525,032.60 : 6,787,548.90 = 1,330,481.70 : x - Step 2: Convert to fraction form
4,525,032.60/6,787,548.90 = 1,330,481.70/x - Step 3: Cross multiply
4,525,032.60x = 6,787,548.90 × 1,330,481.70 - Step 4: Simplify right side
4,525,032.60x = 9,030,709,599,305.13 - Step 5: Solve for x
x = 9,030,709,599,305.13/4,525,032.60 - Step 6: Final answer
x = 1,995,722.55
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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.