Finding the Fourth Proportional to 4,795,739.55, 6,621,053.40 and 3,120,918.62
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Solution
The fourth proportional to 4,795,739.55, 6,621,053.40 and 3,120,918.62 is: 4,308,776.28
Step by Step Solution
- Step 1: Write the proportion equation
4,795,739.55 : 6,621,053.40 = 3,120,918.62 : x - Step 2: Convert to fraction form
4,795,739.55/6,621,053.40 = 3,120,918.62/x - Step 3: Cross multiply
4,795,739.55x = 6,621,053.40 × 3,120,918.62 - Step 4: Simplify right side
4,795,739.55x = 20,663,768,806,969.04 - Step 5: Solve for x
x = 20,663,768,806,969.04/4,795,739.55 - Step 6: Final answer
x = 4,308,776.28
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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.