Finding the Fourth Proportional to 3,677,710.64, 5,072,364.99 and 2,388,966.21
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Solution
The fourth proportional to 3,677,710.64, 5,072,364.99 and 2,388,966.21 is: 3,294,905.38
Step by Step Solution
- Step 1: Write the proportion equation
3,677,710.64 : 5,072,364.99 = 2,388,966.21 : x - Step 2: Convert to fraction form
3,677,710.64/5,072,364.99 = 2,388,966.21/x - Step 3: Cross multiply
3,677,710.64x = 5,072,364.99 × 2,388,966.21 - Step 4: Simplify right side
3,677,710.64x = 12,117,708,565,896.99 - Step 5: Solve for x
x = 12,117,708,565,896.99/3,677,710.64 - Step 6: Final answer
x = 3,294,905.38
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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.