Finding the Fourth Proportional to 1,596,946.80, 2,395,420.20 and 757,138.80
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Solution
The fourth proportional to 1,596,946.80, 2,395,420.20 and 757,138.80 is: 1,135,708.20
Step by Step Solution
- Step 1: Write the proportion equation
1,596,946.80 : 2,395,420.20 = 757,138.80 : x - Step 2: Convert to fraction form
1,596,946.80/2,395,420.20 = 757,138.80/x - Step 3: Cross multiply
1,596,946.80x = 2,395,420.20 × 757,138.80 - Step 4: Simplify right side
1,596,946.80x = 1,813,665,575,723.76 - Step 5: Solve for x
x = 1,813,665,575,723.76/1,596,946.80 - Step 6: Final answer
x = 1,135,708.20
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1.5x scale
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.