Finding the Fourth Proportional to 5,031,611.68, 6,943,594.56 and 2,739,766.72
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Solution
The fourth proportional to 5,031,611.68, 6,943,594.56 and 2,739,766.72 is: 3,780,861.98
Step by Step Solution
- Step 1: Write the proportion equation
5,031,611.68 : 6,943,594.56 = 2,739,766.72 : x - Step 2: Convert to fraction form
5,031,611.68/6,943,594.56 = 2,739,766.72/x - Step 3: Cross multiply
5,031,611.68x = 6,943,594.56 × 2,739,766.72 - Step 4: Simplify right side
5,031,611.68x = 19,023,829,292,661.04 - Step 5: Solve for x
x = 19,023,829,292,661.04/5,031,611.68 - Step 6: Final answer
x = 3,780,861.98
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1.5x scale
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.