Finding the Fourth Proportional to 2,768,357.80, 4,153,119.90 and 1,170,098.20
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Solution
The fourth proportional to 2,768,357.80, 4,153,119.90 and 1,170,098.20 is: 1,755,393.80
Step by Step Solution
- Step 1: Write the proportion equation
2,768,357.80 : 4,153,119.90 = 1,170,098.20 : x - Step 2: Convert to fraction form
2,768,357.80/4,153,119.90 = 1,170,098.20/x - Step 3: Cross multiply
2,768,357.80x = 4,153,119.90 × 1,170,098.20 - Step 4: Simplify right side
2,768,357.80x = 4,859,558,119,374.18 - Step 5: Solve for x
x = 4,859,558,119,374.18/2,768,357.80 - Step 6: Final answer
x = 1,755,393.80
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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.