Finding the Fourth Proportional to 2,620,703.74, 3,931,077.61 and 727,592.80
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Solution
The fourth proportional to 2,620,703.74, 3,931,077.61 and 727,592.80 is: 1,091,395.31
Step by Step Solution
- Step 1: Write the proportion equation
2,620,703.74 : 3,931,077.61 = 727,592.80 : x - Step 2: Convert to fraction form
2,620,703.74/3,931,077.61 = 727,592.80/x - Step 3: Cross multiply
2,620,703.74x = 3,931,077.61 × 727,592.80 - Step 4: Simplify right side
2,620,703.74x = 2,860,223,765,277.21 - Step 5: Solve for x
x = 2,860,223,765,277.21/2,620,703.74 - Step 6: Final answer
x = 1,091,395.31
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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.