Finding the Fourth Proportional to 3,439,015.93, 4,740,840.21 and 2,403,308.17
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Solution
The fourth proportional to 3,439,015.93, 4,740,840.21 and 2,403,308.17 is: 3,313,069.86
Step by Step Solution
- Step 1: Write the proportion equation
3,439,015.93 : 4,740,840.21 = 2,403,308.17 : x - Step 2: Convert to fraction form
3,439,015.93/4,740,840.21 = 2,403,308.17/x - Step 3: Cross multiply
3,439,015.93x = 4,740,840.21 × 2,403,308.17 - Step 4: Simplify right side
3,439,015.93x = 11,393,700,009,357.52 - Step 5: Solve for x
x = 11,393,700,009,357.52/3,439,015.93 - Step 6: Final answer
x = 3,313,069.86
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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.