Finding the Fourth Proportional to 3,398,952.17, 4,689,497.53 and 1,928,617.49
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Solution
The fourth proportional to 3,398,952.17, 4,689,497.53 and 1,928,617.49 is: 2,660,892.68
Step by Step Solution
- Step 1: Write the proportion equation
3,398,952.17 : 4,689,497.53 = 1,928,617.49 : x - Step 2: Convert to fraction form
3,398,952.17/4,689,497.53 = 1,928,617.49/x - Step 3: Cross multiply
3,398,952.17x = 4,689,497.53 × 1,928,617.49 - Step 4: Simplify right side
3,398,952.17x = 9,044,246,969,804.32 - Step 5: Solve for x
x = 9,044,246,969,804.32/3,398,952.17 - Step 6: Final answer
x = 2,660,892.68
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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.