Finding the Fourth Proportional to 6,780,729.04, 9,357,574.84 and 3,683,251.42
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Solution
The fourth proportional to 6,780,729.04, 9,357,574.84 and 3,683,251.42 is: 5,082,978.63
Step by Step Solution
- Step 1: Write the proportion equation
6,780,729.04 : 9,357,574.84 = 3,683,251.42 : x - Step 2: Convert to fraction form
6,780,729.04/9,357,574.84 = 3,683,251.42/x - Step 3: Cross multiply
6,780,729.04x = 9,357,574.84 × 3,683,251.42 - Step 4: Simplify right side
6,780,729.04x = 34,466,300,817,186.27 - Step 5: Solve for x
x = 34,466,300,817,186.27/6,780,729.04 - Step 6: Final answer
x = 5,082,978.63
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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.