Finding the Fourth Proportional to 6,646,242.12, 9,968,477.40 and 1,853,530.08
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Solution
The fourth proportional to 6,646,242.12, 9,968,477.40 and 1,853,530.08 is: 2,780,048.09
Step by Step Solution
- Step 1: Write the proportion equation
6,646,242.12 : 9,968,477.40 = 1,853,530.08 : x - Step 2: Convert to fraction form
6,646,242.12/9,968,477.40 = 1,853,530.08/x - Step 3: Cross multiply
6,646,242.12x = 9,968,477.40 × 1,853,530.08 - Step 4: Simplify right side
6,646,242.12x = 18,476,872,712,700.20 - Step 5: Solve for x
x = 18,476,872,712,700.20/6,646,242.12 - Step 6: Final answer
x = 2,780,048.09
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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.