Finding the Fourth Proportional to 4,873,825.74, 6,726,127.53 and 2,698,608.21
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Solution
The fourth proportional to 4,873,825.74, 6,726,127.53 and 2,698,608.21 is: 3,724,216.65
Step by Step Solution
- Step 1: Write the proportion equation
4,873,825.74 : 6,726,127.53 = 2,698,608.21 : x - Step 2: Convert to fraction form
4,873,825.74/6,726,127.53 = 2,698,608.21/x - Step 3: Cross multiply
4,873,825.74x = 6,726,127.53 × 2,698,608.21 - Step 4: Simplify right side
4,873,825.74x = 18,151,182,973,965.02 - Step 5: Solve for x
x = 18,151,182,973,965.02/4,873,825.74 - Step 6: Final answer
x = 3,724,216.65
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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.