Finding the Fourth Proportional to 1,554,934.74, 2,145,761.70 and 875,856.66
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Solution
The fourth proportional to 1,554,934.74, 2,145,761.70 and 875,856.66 is: 1,208,655.02
Step by Step Solution
- Step 1: Write the proportion equation
1,554,934.74 : 2,145,761.70 = 875,856.66 : x - Step 2: Convert to fraction form
1,554,934.74/2,145,761.70 = 875,856.66/x - Step 3: Cross multiply
1,554,934.74x = 2,145,761.70 × 875,856.66 - Step 4: Simplify right side
1,554,934.74x = 1,879,379,675,717.92 - Step 5: Solve for x
x = 1,879,379,675,717.92/1,554,934.74 - Step 6: Final answer
x = 1,208,655.02
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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.