Finding the Fourth Proportional to 6,646,246.12, 9,968,483.40 and 1,853,534.08
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Solution
The fourth proportional to 6,646,246.12, 9,968,483.40 and 1,853,534.08 is: 2,780,054.09
Step by Step Solution
- Step 1: Write the proportion equation
6,646,246.12 : 9,968,483.40 = 1,853,534.08 : x - Step 2: Convert to fraction form
6,646,246.12/9,968,483.40 = 1,853,534.08/x - Step 3: Cross multiply
6,646,246.12x = 9,968,483.40 × 1,853,534.08 - Step 4: Simplify right side
6,646,246.12x = 18,476,923,707,814.27 - Step 5: Solve for x
x = 18,476,923,707,814.27/6,646,246.12 - Step 6: Final answer
x = 2,780,054.09
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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.