Finding the Fourth Proportional to 2,591,864.13, 3,887,353.17 and 698,162.70
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Solution
The fourth proportional to 2,591,864.13, 3,887,353.17 and 698,162.70 is: 1,047,124.71
Step by Step Solution
- Step 1: Write the proportion equation
2,591,864.13 : 3,887,353.17 = 698,162.70 : x - Step 2: Convert to fraction form
2,591,864.13/3,887,353.17 = 698,162.70/x - Step 3: Cross multiply
2,591,864.13x = 3,887,353.17 × 698,162.70 - Step 4: Simplify right side
2,591,864.13x = 2,714,004,985,020.76 - Step 5: Solve for x
x = 2,714,004,985,020.76/2,591,864.13 - Step 6: Final answer
x = 1,047,124.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.