Finding the Fourth Proportional to 2,817,373.14, 3,887,869.86 and 1,528,170.66
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Solution
The fourth proportional to 2,817,373.14, 3,887,869.86 and 1,528,170.66 is: 2,108,818.52
Step by Step Solution
- Step 1: Write the proportion equation
2,817,373.14 : 3,887,869.86 = 1,528,170.66 : x - Step 2: Convert to fraction form
2,817,373.14/3,887,869.86 = 1,528,170.66/x - Step 3: Cross multiply
2,817,373.14x = 3,887,869.86 × 1,528,170.66 - Step 4: Simplify right side
2,817,373.14x = 5,941,328,649,950.31 - Step 5: Solve for x
x = 5,941,328,649,950.31/2,817,373.14 - Step 6: Final answer
x = 2,108,818.52
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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.