Finding the Fourth Proportional to 6,257,739.97, 9,388,074.56 and 1,939,564.51
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Solution
The fourth proportional to 6,257,739.97, 9,388,074.56 and 1,939,564.51 is: 2,909,800.71
Step by Step Solution
- Step 1: Write the proportion equation
6,257,739.97 : 9,388,074.56 = 1,939,564.51 : x - Step 2: Convert to fraction form
6,257,739.97/9,388,074.56 = 1,939,564.51/x - Step 3: Cross multiply
6,257,739.97x = 9,388,074.56 × 1,939,564.51 - Step 4: Simplify right side
6,257,739.97x = 18,208,776,233,809.87 - Step 5: Solve for x
x = 18,208,776,233,809.87/6,257,739.97 - Step 6: Final answer
x = 2,909,800.71
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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.